Bug 1921322 (CVE-2021-21615)

Summary:	CVE-2021-21615 jenkins: Filesystem traversal by privileged users
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	abenaiss, aileenc, aos-bugs, bmontgom, chazlett, drieden, eparis, ggaughan, gmalinko, janstey, jburrell, jochrist, jokerman, jwon, nstielau, pbhattac, sponnaga, vbobade
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	jenkins 2.276, jenkins LTS 2.263.3	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-02-18 19:02:08 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1921418, 1921419, 1925482, 1925483, 1929921
Bug Blocks:	1921323

Description Pedro Sampaio 2021-01-27 21:51:09 UTC

Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.

http://www.openwall.com/lists/oss-security/2021/01/26/2
https://www.jenkins.io/security/advisory/2021-01-26/#SECURITY-2197

Comment 2 Sam Fowler 2021-01-28 02:40:28 UTC

External References:

https://www.jenkins.io/security/advisory/2021-01-26/#SECURITY-2197

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 19:02:08 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-2021-21615

Comment 5 errata-xmlrpc 2021-03-03 04:17:37 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