Bug 2007750 (CVE-2021-21671) - CVE-2021-21671 jenkins: session fixation vulnerability
Summary: CVE-2021-21671 jenkins: session fixation vulnerability
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-21671
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: 1972354 2008113 2008114
Blocks: 2007753
TreeView+ depends on / blocked
 
Reported: 2021-09-24 18:24 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-10-20 02:08 UTC (History)
19 users (show)

Fixed In Version: jenkins LTS 2.289.2, jenkins 2.300
Clone Of:
Environment:
Last Closed: 2021-10-20 02:08:24 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:3820 0 None None None 2021-10-19 20:21:06 UTC

Description Guilherme de Almeida Suckevicz 2021-09-24 18:24:38 UTC 
Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.

References:
https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371
http://www.openwall.com/lists/oss-security/2021/06/30/1
Comment 1 Przemyslaw Roguski 2021-09-27 10:09:28 UTC 
This vulnerability was introduced in Jenkins 2.266 and LTS 2.277.1.
Comment 4 errata-xmlrpc 2021-10-19 20:21:04 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.8

Via RHSA-2021:3820 https://access.redhat.com/errata/RHSA-2021:3820
Comment 5 Product Security DevOps Team 2021-10-20 02:08:24 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-2021-21671
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