GHSA-5hfp-964w-5vgm

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GHSA-5hfp-964w-5vgm

Summary: Improper Limitation of a Pathname to a Restricted Directory in Jenkins

Details: 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, jsp/src/main/java/org/kohsuke/stapler/jsp/JSPFacet.java that allows attackers to render routable objects using any view in Jenkins, exposing internal information about those objects not intended to be viewed, such as their toString() representation.

References: https://nvd.nist.gov/vuln/detail/CVE-2018-1000997, https://github.com/jenkinsci/jenkins/commit/fd5f5be0304c6bf1918892b81e2efb6b6d09c521, https://github.com/jenkinsci/stapler/commit/0dfc28aa2102a59638484fc11c4c53b1dbb2baf0, https://github.com/jenkinsci/jenkins, https://jenkins.io/security/advisory/2018-10-10/#SECURITY-867