Bug 2208611 (CVE-2023-31975)

Summary:	CVE-2023-31975 yasm: memory leak in yasm_intnum_copy() in libyasm/intnum.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	fjansen, nickc, sipoyare
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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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:	2208612, 2208613, 2208622, 2208623
Bug Blocks:	2196620

Description Guilherme de Almeida Suckevicz 2023-05-19 18:00:35 UTC

yasm v1.3.0 was discovered to contain a memory leak via the function yasm_intnum_copy at /libyasm/intnum.c.

Reference:
https://github.com/yasm/yasm/issues/210

Comment 1 Guilherme de Almeida Suckevicz 2023-05-19 18:00:52 UTC

Created yasm tracking bugs for this issue:

Affects: epel-all [bug 2208613]
Affects: fedora-all [bug 2208612]

Comment 3 Siddhesh Poyarekar 2023-05-19 19:32:10 UTC

This should be rejected as per yasm security policy, unless there's a way this could be exploited using *trusted* input:

https://github.com/yasm/yasm/blob/master/SECURITY.md

Comment 7 Dominik 'Rathann' Mierzejewski 2024-03-22 11:44:39 UTC

Fixed in: https://github.com/yasm/yasm/pull/231/commits/168febbc155c832439be9500452ebe39994d2309 .