Bug 2020323 (CVE-2021-21686) - CVE-2021-21686 jenkins: File path filters do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories
Summary: CVE-2021-21686 jenkins: File path filters do not canonicalize paths, allowing...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-21686
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: 2020611 2020612 2020613 2020614 2020615 2020616
Blocks: 2020347
TreeView+ depends on / blocked
 
Reported: 2021-11-04 15:33 UTC by Michael Kaplan
Modified: 2022-03-08 12:13 UTC (History)
20 users (show)

Fixed In Version: jenkins 2.319, jenkins LTS 2.303.3
Clone Of:
Environment:
Last Closed: 2021-12-02 22:39:54 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:4799 0 None None None 2021-12-02 18:34:55 UTC
Red Hat Product Errata RHSA-2021:4801 0 None None None 2021-12-01 12:25:58 UTC
Red Hat Product Errata RHSA-2021:4827 0 None None None 2021-12-02 22:00:56 UTC
Red Hat Product Errata RHSA-2021:4829 0 None None None 2021-11-30 09:09:05 UTC
Red Hat Product Errata RHSA-2021:4833 0 None None None 2021-11-29 10:37:08 UTC

Description Michael Kaplan 2021-11-04 15:33:33 UTC 
File path filters do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.
Comment 1 Michael Kaplan 2021-11-04 16:13:58 UTC 
References:

https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455
Comment 6 errata-xmlrpc 2021-11-29 10:37:07 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.9

Via RHSA-2021:4833 https://access.redhat.com/errata/RHSA-2021:4833
Comment 7 errata-xmlrpc 2021-11-30 09:09:03 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.8

Via RHSA-2021:4829 https://access.redhat.com/errata/RHSA-2021:4829
Comment 8 errata-xmlrpc 2021-12-01 12:25:56 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.7

Via RHSA-2021:4801 https://access.redhat.com/errata/RHSA-2021:4801
Comment 9 errata-xmlrpc 2021-12-02 18:34:53 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.6

Via RHSA-2021:4799 https://access.redhat.com/errata/RHSA-2021:4799
Comment 10 errata-xmlrpc 2021-12-02 22:00:55 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 3.11

Via RHSA-2021:4827 https://access.redhat.com/errata/RHSA-2021:4827
Comment 11 Product Security DevOps Team 2021-12-02 22:39:52 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-2021-21686
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