Bug 2143012 (CVE-2021-33640)

Summary:	CVE-2021-33640 libtar: fixes for CVE-2021-33645 and CVE-2021-33646 introduced new use-after-free bugs in libtar
Product:	[Other] Security Response	Reporter:	Zack Miele <zmiele>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	kdudka, kvolny, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-12-20 06:48:38 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:	2154891
Bug Blocks:	2133914

Description Zack Miele 2022-11-15 19:34:50 UTC

Security fixes for CVE-2021-33645 and CVE-2021-33646 introduce new use-after-free bugs in libtar 1.2.21 in the list() function of /libtar/libtar.c. The list() function may dereference a pointer t after it has been freed.

Comment 1 Zack Miele 2022-12-19 14:30:25 UTC

Created libtar tracking bugs for this issue:

Affects: fedora-all [bug 2154891]

Comment 2 Product Security DevOps Team 2022-12-20 06:48:36 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-2021-33640