CVE-2017-2602 — jenkins before versions 2

jenkins before versions 2.44, 2.32.2 is vulnerable to an improper blacklisting of the Pipeline metadata files in the agent-to-master security subsystem. This could allow metadata files to be written to by malicious agents (SECURITY-358).

01What is this vulnerability?

jenkins before versions 2.44, 2.32.2 is vulnerable to an improper blacklisting of the Pipeline metadata files in the agent-to-master security subsystem. This could allow metadata files to be written to by malicious agents (SECURITY-358).

02Affected products

Vendor	Product	Versions
[UNKNOWN]	jenkins	jenkins 2.44, jenkins 2.32.2

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-05-15T21:00:00.000Z
• Last modified: 2024-08-05T14:02:06.917Z

09References

• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2602
• jenkins.io — https://jenkins.io/security/advisory/2017-02-01/
• github.com — https://github.com/jenkinsci/jenkins/commit/414ff7e30aba66bed18c4ee8a8660fb36fc8…
• www.securityfocus.com — http://www.securityfocus.com/bid/95952