Bug 1931968 (CVE-2021-3410)

Summary:	CVE-2021-3410 libcaca: Illegal write memory access in caca_resize function in caca/canvas.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	matthias, negativo17, pahan
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:	2021-02-23 19:02:06 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:	1931969, 1931971
Bug Blocks:	1928167

Description Pedro Sampaio 2021-02-23 16:48:41 UTC

A flaw was found in libcaca v0.99.beta19. A buffer overflow issue in caca_resize function in libcaca/caca/canvas.c may lead to local execution of arbitrary code in the user context.

Upstream issue:

https://github.com/cacalabs/libcaca/issues/52

References:

https://bugzilla.redhat.com/show_bug.cgi?id=1928437

Comment 1 Pedro Sampaio 2021-02-23 16:49:19 UTC

Created libcaca tracking bugs for this issue:

Affects: epel-all [bug 1931971]
Affects: fedora-all [bug 1931969]

Comment 2 Product Security DevOps Team 2021-02-23 19:02:06 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.