Bug 2052018 (CVE-2022-0544)

Summary:	CVE-2022-0544 blender: Out-of-bounds memory access due to malformed DDS image file
Product:	[Other] Security Response	Reporter:	Mauro Matteo Cascella <mcascell>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	design-devel, kwizart, luya_tfz, negativo17, promac
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	blender 2.83.19, blender 2.93.8, blender 3.1	Doc Type:	If docs needed, set a value
Doc Text:	An integer underflow in the DDS loader of Blender leads to an out-of-bounds read, possibly allowing an attacker to read sensitive data using a crafted DDS image file.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-02-08 15:14:04 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:	2052019, 2052020
Bug Blocks:	2052005, 2052113

Description Mauro Matteo Cascella 2022-02-08 14:17:36 UTC

An integer underflow in the DDS loader of Blender 3.1.0 Alpha and older leads to an out-of-bounds read, possibly allowing an attacker to read sensitive data using a crafted DDS image file.

Upstream issue:
https://developer.blender.org/T94661

Upstream commits:
https://developer.blender.org/rB0ac83d05d7cccec436bb939e0aa768f6a3d77d72
https://developer.blender.org/rBbbad834f1c2a1f7030ed9741c486b23241e8885e
https://developer.blender.org/rBd9dd8c287f57716a827483973c31bbb2face2816

Comment 1 Mauro Matteo Cascella 2022-02-08 14:17:54 UTC

Created blender tracking bugs for this issue:

Affects: epel-all [bug 2052019]
Affects: fedora-all [bug 2052020]

Comment 3 Product Security DevOps Team 2022-02-08 15:14:02 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 4 Mauro Matteo Cascella 2022-02-08 15:35:39 UTC

Similar flaws were found and reported by Cisco Talos in 2017. For more information, see https://developer.blender.org/T52924 and https://blog.talosintelligence.com/2018/01/unpatched-blender-vulns.html.