Bug 2160381 (CVE-2023-23456)

Summary:	CVE-2023-23456 upx: heap-buffer-overflow in PackTmt::pack()
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-01-14 04:30:55 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:	2160383, 2160384
Bug Blocks:	2154251

Description TEJ RATHI 2023-01-12 08:26:09 UTC

An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.1. The flow allows attackers to cause a denial of service (abort) via a crafted file.

https://github.com/upx/upx/issues/632
https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4

Comment 1 TEJ RATHI 2023-01-12 08:26:36 UTC

Created upx tracking bugs for this issue:

Affects: epel-all [bug 2160384]
Affects: fedora-all [bug 2160383]

Comment 2 Product Security DevOps Team 2023-01-14 04:30:53 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.