Bug 1925140 (CVE-2021-21608) - CVE-2021-21608 jenkins: Stored XSS vulnerability in button labels
Summary: CVE-2021-21608 jenkins: Stored XSS vulnerability in button labels
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-21608
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1925482 1925483 1925484 1925485 1925486 1929919 1929921
Blocks: 1925147
TreeView+ depends on / blocked
 
Reported: 2021-02-04 13:42 UTC by Michael Kaplan
Modified: 2021-04-13 09:16 UTC (History)
23 users (show)

Fixed In Version: jenkins 2.275, jenkins LTS 2.263.2
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in jenkins. A cross-site scripting (XSS) vulnerability, due to the button labels not being properly escaped, can allow an attacker to control button labels. The highest threat from this vulnerability is to data confidentiality and integrity.
Clone Of:
Environment:
Last Closed: 2021-02-18 19:02:19 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:0423 0 None None None 2021-02-17 19:04:45 UTC
Red Hat Product Errata RHSA-2021:0429 0 None None None 2021-03-03 04:17:46 UTC

Description Michael Kaplan 2021-02-04 13:42:02 UTC 
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to control button labels.
Comment 3 errata-xmlrpc 2021-02-17 19:04:42 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.6

Via RHSA-2021:0423 https://access.redhat.com/errata/RHSA-2021:0423
Comment 4 Product Security DevOps Team 2021-02-18 19:02:19 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-21608
Comment 5 errata-xmlrpc 2021-03-03 04:17:43 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.5

Via RHSA-2021:0429 https://access.redhat.com/errata/RHSA-2021:0429
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