Bug 2185859 (CVE-2021-43313)

Summary:	CVE-2021-43313 upx: heap-based buffer overflow in PackLinuxElf32::invert_pt_dynamic at p_lx_elf.cpp
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
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:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-04-11 18:04:47 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:	2185867, 2185866
Bug Blocks:	2181820

Description TEJ RATHI 2023-04-11 12:51:37 UTC

A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf32::invert_pt_dynamic at p_lx_elf.cpp:1688.

https://github.com/upx/upx/issues/378

Comment 1 TEJ RATHI 2023-04-11 12:59:30 UTC

Created upx tracking bugs for this issue:

Affects: epel-all [bug 2185867]
Affects: fedora-all [bug 2185866]

Comment 2 Product Security DevOps Team 2023-04-11 18:04:46 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.