CVE-2018-1000997 — A path traversal vulnerability exists in the Stapler web framework used by Jenki

A path traversal vulnerability exists in the Stapler web framework used by Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/org/kohsuke/stapler/Facet.java, groovy/src/main/java/org/kohsuke/stapler/jelly/groovy/GroovyFacet.java, jelly/src/main/java/org/kohs

01What is this vulnerability?

A path traversal vulnerability exists in the Stapler web framework used by Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/org/kohsuke/stapler/Facet.java, groovy/src/main/java/org/kohsuke/stapler/jelly/groovy/GroovyFacet.java, jelly/src/main/java/org/kohsuke/stapler/jelly/JellyFacet.java, jruby/src/main/java/org/kohsuke/stapler/jelly/jruby/JRubyFacet.java…

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2019-01-23T22:00:00.000Z
• Last modified: 2024-09-17T01:26:09.373Z

09References

• jenkins.io — https://jenkins.io/security/advisory/2018-10-10/#SECURITY-867