Bug 2052012 (CVE-2022-0545)

Summary:	CVE-2022-0545 blender: Out-of-bounds memory access in IMB_flipy() due to large image dimensions
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:	blender 2.83.19, blender 2.93.8, blender 3.1	Doc Type:	If docs needed, set a value
Doc Text:	An integer overflow in the processing of loaded 2D images leads to a write-what-where vulnerability and an out-of-bounds read vulnerability, allowing an attacker to leak sensitive information or achieve code execution in the context of the Blender process when a specially crafted image file is loaded.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-02-08 15:13:03 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:	2052013, 2052014
Bug Blocks:	2052005, 2052113

Description Mauro Matteo Cascella 2022-02-08 14:13:58 UTC

An integer overflow in the processing of loaded 2D images leads to a write-what-where vulnerability and an out-of-bounds read vulnerability, allowing an attacker to leak sensitive information or achieve code execution in the context of the Blender process when a specially crafted image file is loaded.

Upstream issue:
https://developer.blender.org/T94629

Upstream patch:
https://developer.blender.org/D13744

Comment 1 Mauro Matteo Cascella 2022-02-08 14:14:16 UTC

Created blender tracking bugs for this issue:

Affects: epel-all [bug 2052013]
Affects: fedora-all [bug 2052014]

Comment 3 Product Security DevOps Team 2022-02-08 15:13:01 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.

Comment 4 Mauro Matteo Cascella 2022-02-08 15:35:33 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.