Bug 2052018 (CVE-2022-0544) - CVE-2022-0544 blender: Out-of-bounds memory access due to malformed DDS image file
Summary: CVE-2022-0544 blender: Out-of-bounds memory access due to malformed DDS image...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2022-0544
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2052019 2052020
Blocks: 2052005 2052113
TreeView+ depends on / blocked
 
Reported: 2022-02-08 14:17 UTC by Mauro Matteo Cascella
Modified: 2022-02-22 14:12 UTC (History)
5 users (show)

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.
Clone Of:
Environment:
Last Closed: 2022-02-08 15:14:04 UTC
Embargoed:

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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.
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