Bug 1794532 (CVE-2019-20053)

Summary:	CVE-2019-20053 upx: invalid memory address dereference in canUnpack in p_mach.cpp
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
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:	2020-01-23 20:09:46 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:	1794533, 1794534, 1794535
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2020-01-23 19:21:05 UTC

An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

Reference:
https://github.com/upx/upx/issues/314

Comment 1 Guilherme de Almeida Suckevicz 2020-01-23 19:21:26 UTC

Created upx tracking bugs for this issue:

Affects: epel-7 [bug 1794534]
Affects: epel-8 [bug 1794535]
Affects: fedora-all [bug 1794533]

Comment 2 Product Security DevOps Team 2020-01-23 20:09:46 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.