Bug 1819198 (CVE-2020-2161) - CVE-2020-2161 jenkins: XSS in job configuration pages
Summary: CVE-2020-2161 jenkins: XSS in job configuration pages
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-2161
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1819199 1819497 1819501 1819505 1820017 1820018 1873174 1877292
Blocks: 1819191
TreeView+ depends on / blocked
 
Reported: 2020-03-31 12:58 UTC by Dhananjay Arunesh
Modified: 2021-10-28 01:16 UTC (History)
13 users (show)

Fixed In Version: jenkins LTS 2.204.6, jenkins LTS 2.222.1, jenkins 2.228
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Environment:
Last Closed: 2021-10-28 01:16:34 UTC


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Description Dhananjay Arunesh 2020-03-31 12:58:40 UTC
A vulnerability was found in Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels.

Reference:
http://www.openwall.com/lists/oss-security/2020/03/25/2

Comment 1 Dhananjay Arunesh 2020-03-31 12:59:53 UTC
Created jenkins tracking bugs for this issue:

Affects: fedora-all [bug 1819199]

Comment 2 Sam Fowler 2020-04-01 01:22:11 UTC
External References:

https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1781


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