De multiples vulnrabilits ont t dcouvertes dans les produits Splunk. inferences should be drawn on account of other sites being
these sites. Please continue to watch the Splunk advisories page for the latest advisories or use the RSS feed with your favorite aggregator. All other brand names, product names, or trademarks belong to their respective owners. This documentation applies to the following versions of Splunk Universal Forwarder: See why organizations around the world trust Splunk. 2022-07-18: Added If you do not run a Deployment Server or use the Deployment Server functionality, the vulnerability is not applicable and is strictly informational to the Description, Components in the Product Status table, and the Severity Considerations. They can scale to tens of thousands of remote systems, collecting terabytes of data. Family: CGI abuses. In the installation wizard there is a step called "Deployment server" I omit that step, that is, I do not use deployment server. Denotes Vulnerable Software
We recommend opening Support cases for environment-specific assistance and issue tracking and we will update ideas.splunk.com as we make progress on a backport for SVD-2022-0608. Next in line is CVE-2023-32706, a denial-of-service (DoS) flaw in the Splunk daemon, which occurs when an incorrectly configured XML parser receives specially-crafted messages within SAML authentication. When teams have a way to break down enterprise silos and see and understand what is happening, they can improve protection across their increasingly dispersed and diverse environment. Apache has designated this vulnerability a severity rating of 6.6 (Moderate). When teams have a way to break down enterprise silos and see and understand what is happening, they can improve protection across their increasingly dispersed and diverse environment. (Marc Solomon), Industry standard frameworks and guidelines often lead organizations to believe that deploying more security solutions will result in greater protection against threats. A universal forwarder is a dedicated, lightweight version of Splunk that contains only the essential components needed to send data. Log in now. A Vulnerability in Splunk Enterprise Deployment Servers Could Allow for Arbitrary Code Execution, Malicious Domain Blocking and Reporting Plus, https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-321582, https://www.splunk.com/en_us/product-security/announcements/svd-2022-0608.html, https://docs.splunk.com/Documentation/Forwarder/8.2.6/Forwarder/Abouttheuniversalforwarder, 2023-055: A Vulnerability in MOVEit Transfer that Could Allow for Remote Code Execution, 2023-054: A Vulnerability in Barracuda Email Security Gateway Could Allow for Remote Command Injection, A New Vision for Cyber Threat Intelligence at the MS-ISAC, Splunk Enterprise deployment servers in versions prior to 9.0, Apply appropriate updates provided by Splunk to vulnerable systems immediately after appropriate testing. No
@splunkcol- Earlier the resolution said you need to update everything to Splunk 9.0. 8.2.6, 8.2.7, 8.2.8, 8.2.9, 8.2.10, 8.2.11, 9.0.0, 9.0.1, 9.0.2, 9.0.3, 9.0.4, 9.0.5, Was this documentation topic helpful? Are we missing a CPE here? Customer security and trust are our top priorities. If the Deployment Server is within a VPC/VPN and only available within that adjacent boundary, Splunk recommends reducing the severity to High. Universal forwarder streaming lets you monitor data in real time. An attacker that compromised a Universal Forwarder endpoint could use the vulnerability to execute arbitrary code on all other Universal Forwarder endpoints subscribed to the deployment server. Splunk, Splunk>, Turn Data Into Doing, and Data-to-Everything are trademarks or registered trademarks of Splunk Inc. in the United States and other countries. 06/20/2022 OVERVIEW: A vulnerability in Splunk Enterprise Deployment Servers Could Allow for Arbitrary Code Execution. The input contains a reference to an entity expansion and recursive references may cause the XML parser to use all available memory on the machine, leading to the daemons crash or to process termination. https://nvd.nist.gov. (Matt Wilson), Regardless of the use case your security organization is focused on, youll likely waste time and resources and make poor decisions if you dont start with understanding your threat landscape. It is possible these variables have automatically been set up. See Advanced Universal Forwarder Configurations for examples of more advanced forwarder configurations. In Splunk Enterprise and Universal Forwarder versions before 9.0, the Splunk command-line interface (CLI) did not validate TLS certificates while connecting to a remote Splunk platform instance by default. sites that are more appropriate for your purpose. An attacker that compromised a Universal Forwarder endpoint could use the vulnerability to execute arbitrary code on all other Universal Forwarder endpoints subscribed to the deployment server. On Thursday, Splunk also resolved multiple severe issues in third-party packages used in Splunk Enterprise, such as Libxml2, OpenSSL, Curl, Libarchive, SQLite, Go, and many others. consider posting a question to Splunkbase Answers. Ask a question or make a suggestion. All other brand
The universal forwarder does not support python and does not expose a UI. See the following example diagram: This is the most common configuration for the universal forwarder. Site Privacy
Run the following commands to start the universal . Please note that archived apps on Splunkbase are not supported, and as such do not receive updates.For the official advisory on Splunk Enterprise, Splunk Cloud, and other non-app products, please see the Splunk Security Advisory for . This is a potential security issue, you are being redirected to
There are currently no reports of this vulnerability being exploited in the wild. . All other brand names, product names, or trademarks belong to their respective owners. The Splunk Cloud Platform (SCP) does not offer or use deployment servers and is not affected by the vulnerability. |
If you have a more general question about Splunk functionality or are experiencing a difficulty with Splunk, Run the following commands to start the universal forwarder at any time. After updating to version 9.0, see Configure TLS host name validation for the Splunk CLI https://docs.splunk.com/Documentation/Splunk/9.0.0/Security/EnableTLSCertHostnameValidation#Configure_TLS_host_name_validation_for_the_Splunk_CLI to enable the remediation. FOIA
An attacker that compromised a Universal Forwarder endpoint could use the vulnerability to execute arbitrary code on all other Universal Forwarder endpoints subscribed to the deployment server. This prevents typos and other mistakes that can occur when you edit configuration files directly. Splunk Enterprise deployment servers in versions before 9.0 let clients deploy forwarder bundles to other deployment clients through the deployment server. 8.2.6, 8.2.7, 8.2.8, 8.2.9, 8.2.10, 8.2.11, 9.0.0, 9.0.1, 9.0.2, 9.0.3, 9.0.4, 9.0.5, Was this documentation topic helpful? You can use it to distribute updates to most types of Splunk Enterprise components: forwarders, non-clustered indexers, and search heads. Please select Below are some of the specific reasons why we didnt backport initially by vulnerability, and why we feel its not practical to backport other Splunk 9.0 security fixes. I did not like the topic organization Closing this box indicates that you accept our Cookie Policy. You can install thousands of them without impacting network performance and cost. From a shell or command prompt on the forwarder, run the command that enables that data input. referenced, or not, from this page. referenced, or not, from this page. Type: combined. On June 14, 2022 Splunk published eight Security Advisories regarding vulnerabilities related to Splunk Enterprise and Splunk Cloud Platform. Patch Tuesday: Microsoft warns vulnerability (CVE-2023-23397) could lead to exploitation before an email is viewed in the Preview Pane. Certaines d'entre elles permettent un attaquant de provoquer un problme de scurit non spcifi par l'diteur, une excution de code arbitraire et un dni de service distance. It probably works prior versions as well but it's not supported. Splunk, Splunk>, Turn Data Into Doing, and Data-to-Everything are trademarks or registered trademarks of Splunk Inc. in the United States and other countries. these sites. |
Become a CIS member, partner, or volunteerand explore our career opportunities. Subscribe to the SecurityWeek Daily Briefing and get the latest content delivered to your inbox. The universal forwarder also ensures the that your data is correctly formatted before sending it to Splunk. You can edit them however you normally edit files, such as through a text editor or the command line, or you can use the Splunk Deployment Server. Thank you to our community for your feedback. We have provided these links to other web sites because they
In most situations, the universal forwarder is the best way to forward data to indexers. The universal forwarder prompts for administrator credentials the first time you start it, Start Splunk Enterprise without prompting, or by answering "yes" to any prompts. We recommend the following actions be taken: Copyright 2023 Center for Internet Security. |
Another high-severity vulnerability addressed in Splunk Enterprise is CVE-2023-32708, an HTTP response splitting issue that allows a low-privileged user to access other REST endpoints on the system and view restricted content. Rsum. No, Please specify the reason Please address comments about this page to nvd@nist.gov. vulnerability CVE-2022-32158 16_06_2022 versions Splunk Security Content for Threat Detection & Response, Q1 Roundup, SplunkTrust | Where Are They Now - Michael Uschmann.
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At the time of publishing, we have no evidence of exploitation of this vulnerability by external parties. You have JavaScript disabled. (CVE-2022-32158) |
We also use these cookies to improve our products and services, support our marketing campaigns, and advertise to you on our website and other websites. Excuse me if the question is silly but what is not clear to me is if I should update the version of Splunk Enterprise as SIEM or if I should update only the agents on the endpoints. This vulnerability has been modified since it was last analyzed by the NVD. Different advisories may be applicable to your Splunk environment depending on the Splunk deployment type you are using, such as Splunk Cloud Platform (across regions, cloud providers, and compliance environments) and Customer Managed Platform (CMP). Updating the Universal Forwarders does not remediate or mitigate CVE-2022-32158. (M1048 : Application Isolation and Sandboxing), Block execution of code on a system through application control, and/or script blocking. Splunk experts provide clear and actionable guidance. Ionut Arghire is an international correspondent for SecurityWeek. |
The installer for the full version of Splunk Enterprise has its own set of installation . 2005 - 2023 Splunk Inc. All rights reserved. Closing this box indicates that you accept our Cookie Policy. Please try to keep this discussion focused on the content covered in this documentation topic. Happy Pride Month, Splunk Community! Privacy Program
The environment variables represent where the universal forwarder has been installed on the host. Access timely security research and guidance. By Eric Ford What You Need to Know Splunk's Product Security Team disclosed eight vulnerabilities on June 14, 2022 that impact various components of Splunk Enterprise prior to version 9.0 or Splunk Cloud Platform. Information Quality Standards
Weve received customer feedback about the vulnerabilities and our process, following the release of the advisories, which we appreciate and are addressing as part of our commitment to continuously improving Splunk's security posture. Tactic: Execution (TA0002): CVSSv3.1Vector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H. Splunk Enterprise deployment servers in versions before 8.1.10.1, 8.2.6.1, and 9.0 let clients deploy forwarder bundles to other deployment clients through the deployment server. Apple has released updates for macOS, iOS and Safari and they all include a WebKit patch for a zero-day vulnerability tracked as CVE-2023-23529. Related: Splunk Enterprise Updates Patch High-Severity Vulnerabilities, Related: Splunk Patches 9 High-Severity Vulnerabilities in Enterprise Product, Related: Quarterly Security Patches Released for Splunk Enterprise. You have JavaScript disabled. I did not like the topic organization Customer success starts with data success. No, Please specify the reason Splunk on Thursday announced Splunk Enterprise security updates that resolve multiple high-severity vulnerabilities, including some impacting third-party packages used by the product. If you have a more general question about Splunk functionality or are experiencing a difficulty with Splunk, Accelerate value with our powerful partner ecosystem. We want to hear from you. For Critical or High vulnerabilities we plan to provide advisories and any available patches as close to real-time as possible. Splunk Enterprise deployment servers in versions before 9.0 let clients deploy forwarder bundles to other deployment clients through the deployment server. Hence, Splunk rates the complexity of the attack as High. Denotes Vulnerable Software
No, Please specify the reason Attempts to restart the application would result in a crash and would require manually removing the malformed file. Forwarder Stops sending Data and starts sending on Indexing XML files from universal forwarder. It does not impact Universal Forwarders. the facts presented on these sites. Splunk released patches for Splunk Enterprise on-prem and universals forwarders in the 9.0 release. In universal forwarder versions before 9.0, management services are available remotely by default. At the time of publishing, we have no evidence of exploitation of this vulnerability by external parties. |
The most severe of these is CVE-2023-32707, a privilege escalation issue that allows low-privileged users with the edit_user capability to escalate privileges to administrator, via a specially crafted web request. In Splunk Enterprise and Universal Forwarder versions before 9.0, the Splunk command-line interface (CLI) did not validate TLS certificates while connecting to a remote Splunk platform instance by default. Information security risk assessment method, Develop & update secure configuration guides, Assess system conformance to CIS Benchmarks, Virtual images hardened to CIS Benchmarks on cloud service provider marketplaces, Start secure and stay secure with integrated cybersecurity tools and resources designed to help you implement CIS Benchmarks and CIS Controls, U.S. State, Local, Tribal & Territorial Governments, Cybersecurity resource for SLTT Governments, Sources to support the cybersecurity needs of the election community, Cost-effective Intrusion Detection System, Security monitoring of enterprises devices, Prevent connection to harmful web domains. Upgrading Linux Universal Forwarders Failed with c Why are these additional Splunk processes starting Splunk Universal Forwarder stops forwarding after JSON parsing error in the universal forwarder. If you do not run a Deployment Server or use the Deployment Server functionality, the vulnerability is not applicable and is strictly informational. A vulnerability in Splunk Enterprise Deployment Servers in versions before 9.0 let clients deploy forwarder bundles to other deployment clients through the deployment server. We also use these cookies to improve our products and services, support our marketing campaigns, and advertise to you on our website and other websites. |
A data platform built for expansive data access, powerful analytics and automation, Cloud-powered insights for petabyte-scale data analytics across the hybrid cloud, Search, analysis and visualization for actionable insights from all of your data, Analytics-driven SIEM to quickly detect and respond to threats, Security orchestration, automation and response to supercharge your SOC, Instant visibility and accurate alerts for improved hybrid cloud performance, Full-fidelity tracing and always-on profiling to enhance app performance, AIOps, incident intelligence and full visibility to ensure service performance, Transform your business in the cloud with Splunk, Build resilience to meet todays unpredictable business challenges, Deliver the innovative and seamless experiences your customers expect. We use our own and third-party cookies to provide you with a great online experience. Hence, Splunk rates the complexity of the attack as High. See why organizations around the world trust Splunk. Splunk Universal Forwarders, in which the vulnerability lies, are used to send data from a machine to a data receiver usually Splunk. At the time of publishing, we have no evidence of exploitation of this vulnerability by external parties. |
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A .gov website belongs to an official government organization in the United States. Updated 3pm, 12/15/21. Please let us know. The topic did not answer my question(s) Some cookies may continue to collect information after you have left our website. Please select Attempts to restart the application would result in a crash and would require manually removing the malformed file. Solution For Splunk Enterprise and Universal Forwarder customers, upgrade versions to 8.1.11, 8.2.7.1, or higher. Publish Date : 2022-08-16 Last Update Date : 2022-08-18 - CVSS Scores & Vulnerability Types - Products Affected By CVE-2022-37439 - Number Of Affected Versions By Product - References For CVE-2022-37439 https://research.splunk.com/application/b237d393-2f57-4531-aad7-ad3c17c8b041 CONFIRM If you do not run a Deployment Server or use the Deployment Server functionality, the vulnerability is informational. All other brand names, product names, or trademarks belong to their respective owners. Environmental Policy
This documentation applies to the following versions of Splunk Universal Forwarder: Product Status Product Version Component Affected Version Fix Version Universal Forwarders 8.1 - 8.1.13 and Lower 8.1.14 Universal Forwarders 8.2 - 8.2.0 to 8.2.10 8.2.11 Universal Forwarders 9.0 - 9.0.0 to 9.0.4 9.0.5 Severity For the CVEs in this list, Splunk adopted the national vulnerability database (NVD) CVSS rating to align with industry . (Marie Hattar), A wave of layoffs, coupled with increased recruitment efforts by cybercriminals, could create the perfect conditions for insider threats to flourish I found an error Share sensitive information only on official, secure websites. This site requires JavaScript to be enabled for complete site functionality. Splunk Application Performance Monitoring, Compatibility between forwarders and Splunk Enterprise indexers, Install and configure the Splunk Cloud Platform universal forwarder credentials package, How to forward data to Splunk Cloud Platform, Advanced configurations for the universal forwarder, Secure your Linux universal forwarder with a least-privileged user. Other. There are two other start options: no-prompt and answer-yes. So it's definitely supporting Splunk version above 8.1.x. Commerce.gov
Attempts to restart the application would result in a crash and would . Simplify your procurement process and subscribe to Splunk Cloud via the AWS marketplace, Unlock the secrets of machine data with our new guide. Customer success starts with data success. The Splunk Cloud Platform (SCP) does not offer or use deployment servers and is not affected by the vulnerability. A lock () or https:// means you've safely connected to the .gov website. This is because the edit_user capability does not honor the grantableRoles setting in the authorize.conf configuration file, which prevents this scenario from happening, Splunk explains in an advisory. Log in now. An attacker that compromised a Universal Forwarder endpoint could use the vulnerability to execute arbitrary code on all other Universal Forwarder endpoints subscribed to the deployment server. inferences should be drawn on account of other sites being
We use our own and third-party cookies to provide you with a great online experience. Can you answer some questions about maxKBps involv Advanced Universal Forwarder Configurations, Learn more (including how to update your settings) here . This site requires JavaScript to be enabled for complete site functionality. Extensions) to Splunk Products for CVE 2021-44228 and CVE-2021-45046. Accessibility
Upgrade Splunk Enterprise deployment servers to version 9.0 or higher. 2022-06-16: Removed the Security Content link. Learn how we support change for customers and communities. See Deploy the Universal Forwarder to create this configuration. Configure the universal forwarder using configuration files, Edit the configuration files through the command line, Configure the universal forwarder to connect to a receiving indexer, Configure the universal forwarder to connect to a deployment server. Vulnerability Disclosure
SecurityWeeks Threat Detection and Incident Response Summit brings together security practitioners from around the world to share war stories on breaches, APT attacks and threat intelligence. Upgrading UF is quite a difficult process Operationally in many organisations due to difficulties like standardisation, OS compatibilities etc. We also display any CVSS information provided within the CVE List from the CNA. When a deployment server is used, it allows the creation of configuration bundles that can be automatically downloaded by Splunk Universal Forwarder (SUF) agents or other Splunk Enterprise instances such as heavy forwarders. Science.gov
Bring data to every question, decision and action across your organization. (M1038 : Execution Prevention), Use capabilities to prevent suspicious behavior patterns from occurring on endpoint systems. Splunk, Splunk>, Turn Data Into Doing, Data-to-Everything, and D2E are trademarks or
The universal forwarder O M K does not support python and does not expose a UI. On Thursday, Splunk also announced patches for high-severity bugs in Splunk App for Lookup File Editing and Splunk App for Stream, and fixes for severe issues in third-party packages used in Splunk Universal Forwarders and Splunk Cloud. This receiver is usually a Splunk index where you store your Splunk data. Further, NIST does not
Please let us know. 2. The deployment server is the tool for distributing configurations, apps, and content updates to groups of Splunk Enterprise instances. The universal forwarder does not have a user interface, which helps minimize resource use. Hi, does anyone know if you can just upgrade the deployment server to version 9? The intent was to be consistent with our major/minor patch release policy. To restart the universal forwarder, use the same CLI restart command that you use to restart a full Splunk Enterprise instance: See the following steps to start the universal forwarder: Additionally, you can configure the universal forwarder to start at boot time. an attacker could compromise a Universal Forwarder endpoint and then abuse it to execute arbitrary code on other . When not required, it introduces a potential exposure, but it is not a vulnerability. If this is your first time starting the forwarder, you may be asked to review and accept a license agreement and create a username and password: If you want to start the universal forwarder, run this command. Log in now. When you do, the forwarder first stops itself, then starts itself again. (Torsten George), With proactive steps to move toward Zero Trust, technology leaders can leverage an old, yet new, idea that must become the security norm. Further, NIST does not
But if this is all easy in your organisation, it is much better to put a path of UF upgrades every 6 months.
1. Accelerate value with our powerful partner ecosystem. Product Status Mitigations and Workarounds None Detections Splunk endpoint DOS zip bomb vulnerability UF This search lets an operator retroactively identify potential Splunk app crashes resulting from SVD-2022-0803. The most critical vulnerability is being tracked as CVE-2022-32158 and has a CVSS score of 9.0. SVD-2022-0606 - Splunk Enterprise and Universal Forwarder CLI connections lacked TLS certificate validation SVD-2022-0607 - Splunk Enterprise deployment servers allow unauthenticated forwarder bundle downloads SVD-2022-0608 - Splunk Enterprise deployment servers allow client publishing of forwarder bundles Exploitation of this vulnerability could allow for an attacker to execute arbitrary code on all other Universal Forwarder endpoints subscribed to the deployment server. You can disable the Deployment Server functionality temporarily without disabling the server. The vulnerability impacts Splunk Enterprise versions before 7.3.9, 8.0 versions before 8.0.9, and 8.1 versions before 8.1.3. Universal forwarders stream data from your machine to a data receiver. The topic did not answer my question(s) Environmental Policy
The updates resolve multiple medium-severity vulnerabilities as well. the facts presented on these sites. Optionally edit the Universal forwarder configuration files to further modify how your machine data is streamed to your indexers. Splunk Application Performance Monitoring, Compatibility between forwarders and Splunk Enterprise indexers, Install and configure the Splunk Cloud Platform universal forwarder credentials package, Configure the universal forwarder using configuration files, How to forward data to Splunk Cloud Platform, Advanced configurations for the universal forwarder, Secure your Linux universal forwarder with a least-privileged user. We also use these cookies to improve our products and services, support our marketing campaigns, and advertise to you on our website and other websites. (Derek Manky). Reach a large audience of enterprise cybersecurity professionals. The vulnerability does not affect the Splunk Cloud Platform. The second aspect, I feel is reducing the footprint of the UF. Additional information on the patched vulnerabilities can be found on Splunks security advisories page. The lack of validation of a key-value field in the Splunk-to-Splunk protocol results in a denial-of-service in Splunk Enterprise instances configured to index Universal Forwarder traffic. Upgrade Splunk Enterprise deployment servers to version 8.1.10.1, 8.2.6.1, and 9.0 or later. The deployment server is just a Splunk Enterprise instance that has been . Product Status It allows an attacker to potentially inject arbitrary content into the web page (e.g., HTML . If exposed, we recommend each customer assess the potential severity specific to your environment. You can also manipulate your data before it reaches the indexes or manually add the data. CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H. The following commands use environment variables that might not be automatically set on your host. An attacker that compromised a Universal Forwarder endpoint could use the vulnerability to execute arbitrary code on all other Universal Forwarder endpoints subscribed to the deployment server. Remediation only requires updating the Splunk Enterprise deployment servers to 9.0. 2005 - 2023 Splunk Inc. All rights reserved. Splunk, Splunk>, Turn Data Into Doing, and Data-to-Everything are trademarks or registered trademarks of Splunk Inc. in the United States and other countries. See CLI admin commands for more information. 8.2.6, 8.2.7, 8.2.8, 8.2.9, 8.2.10, 8.2.11, 9.0.0, 9.0.1, 9.0.2, 9.0.3, 9.0.4, 9.0.5, Was this documentation topic helpful? An attacker that compromised a Universal Forwarder endpoint could use the vulnerability to execute arbitrary code on all other Universal Forwarder endpoints subscribed to the . It is awaiting reanalysis which may result in further changes to the information provided. or update the agent on each endpoint? See Configure Splunk Enterprise to start at boot time for the procedure. : CVE-2009-1234 or 2010-1234 or 20101234) . 1. I usually download and install Splunk enterprise, then ask my clients to install the agent (Universal forwarder) for log forwarding. Enter your email address, and someone from the documentation team will respond to you: Please provide your comments here. We will continue to update our guidance on our Splunk advisories page as applicable. FOIA
I see that there is a new vulnerability that affects Splunk and I have a couple of doubts, https://www.splunk.com/en_us/product-security/announcements/svd-2022-0608.html. 2005-2023 Splunk Inc. All rights reserved. Advertisement. Universal forwarder streaming lets you monitor data in real time. No Fear Act Policy
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USA.gov, An official website of the United States government, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H, CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H, https://docs.splunk.com/Documentation/Splunk/9.0.0/Security/Updates, https://www.splunk.com/en_us/product-security/announcements/svd-2022-0608.html, Are we missing a CPE here? Run the following commands to stop the universal forwarder. Yes |