Bug 1939895 (CVE-2021-21772)

Summary:	CVE-2021-21772 lib3mf: specially crafted 3MF file can lead to code execution
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	mhroncok
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:	2021-03-17 13:19:01 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:	1939896, 1939897
Bug Blocks:

Description Marian Rehak 2021-03-17 09:44:03 UTC

A use-after-free vulnerability exists in the NMR::COpcPackageReader::releaseZIP() functionality of 3MF Consortium lib3mf 2.0.0. A specially crafted 3MF file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

External Reference:

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1226

Comment 1 Marian Rehak 2021-03-17 09:45:08 UTC

Created lib3mf tracking bugs for this issue:

Affects: epel-7 [bug 1939896]
Affects: fedora-all [bug 1939897]

Comment 2 Miro Hrončok 2021-03-17 11:06:51 UTC

2.1.1 and 2.0.1 should fix this issue: https://github.com/3MFConsortium/lib3mf/issues/254

Comment 3 Product Security DevOps Team 2021-03-17 13:19:01 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.