Bug 2052008 (CVE-2022-0546)

Summary:	CVE-2022-0546 blender: Out-of-bounds memory access due to malformed HDR 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:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	design-devel, kwizart, luya_tfz, negativo17, promac
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A missing bounds check in the image loader used in Blender 3.x and 2.93.8 leads to out-of-bounds heap access, allowing an attacker to cause denial of service, memory corruption or potentially code execution.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-02-08 14:43:35 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:	2052009, 2052010
Bug Blocks:	2052005, 2052113

Description Mauro Matteo Cascella 2022-02-08 14:11:33 UTC

A missing bounds check in the image loader used in Blender 3.x and 2.93.8 leads to out-of-bounds heap access, allowing an attacker to cause denial of service, memory corruption or potentially code execution.

Upstream issue:
https://developer.blender.org/T94572

Upstream patch:
https://developer.blender.org/D11952

Comment 1 Mauro Matteo Cascella 2022-02-08 14:11:50 UTC

Created blender tracking bugs for this issue:

Affects: epel-all [bug 2052009]
Affects: fedora-all [bug 2052010]

Comment 3 Product Security DevOps Team 2022-02-08 14:43:33 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 15:35:26 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.