Bug 2235700 (CVE-2022-43358)

Summary:	CVE-2022-43358 libsass: stack overflow in Sass::ComplexSelector::has_placeholder() in ast_selectors.cpp
Product:	[Other] Security Response	Reporter:	Vipul Nair <vinair>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	desktop-qa-list, fmuellner
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2235702, 2235703, 2236108
Bug Blocks:	2235711

Description Vipul Nair 2023-08-29 13:35:54 UTC

Stack overflow vulnerability in ast_selectors.cpp: in function Sass::ComplexSelector::has_placeholder in libsass:3.6.5-8-g210218, which can be exploited by attackers to cause a denial of service (DoS).

https://github.com/sass/libsass/issues/3178
https://github.com/sass/libsass
https://drive.google.com/file/d/1j5fkPjWH9zQeTdO_4dMcZ-FpOBzP0MaI/

Comment 1 Vipul Nair 2023-08-29 13:36:10 UTC

Created libsass tracking bugs for this issue:

Affects: epel-all [bug 2235702]

Comment 2 Vipul Nair 2023-08-29 13:37:36 UTC

Created libsass tracking bugs for this issue:

Affects: fedora-all [bug 2235703]