Bug 1948696 (CVE-2021-30501)

Summary:	CVE-2021-30501 upx: Assertion abort in function MemBuffer::alloc()
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	gwync
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:	2021-04-13 00:38:58 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:	1948697, 1948698
Bug Blocks:	1948700

Description Pedro Sampaio 2021-04-12 18:40:19 UTC

An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.

Upstream issue:

https://github.com/upx/upx/issues/486

Upstream patch:
https://github.com/upx/upx/pull/487
https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46

Comment 1 Pedro Sampaio 2021-04-12 18:40:50 UTC

Created upx tracking bugs for this issue:

Affects: epel-all [bug 1948697]
Affects: fedora-all [bug 1948698]

Comment 2 Product Security DevOps Team 2021-04-13 00:38:58 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.

Comment 3 Product Security DevOps Team 2021-04-13 06:39:29 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.