[Bug 2052020] New: blender: Out-of-bounds memory access due to malformed DDS image file [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=2052020

            Bug ID: 2052020
           Summary: blender: Out-of-bounds memory access due to malformed
                    DDS image file [fedora-all]
           Product: Fedora
           Version: 35
            Status: NEW
         Component: blender
          Keywords: Security, SecurityTracking
          Severity: medium
          Priority: medium
          Assignee: luya_tfz(a)thefinalzone.net
          Reporter: mcascell(a)redhat.com
        QA Contact: extras-qa(a)fedoraproject.org
                CC: design-devel(a)lists.fedoraproject.org,
                    kwizart(a)gmail.com, luya_tfz(a)thefinalzone.net,
                    negativo17(a)gmail.com, promac(a)gmail.com
  Target Milestone: ---
    Classification: Fedora




This is an automatically created tracking bug!  It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.

For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks"
field.

For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs

When submitting as an update, use the fedpkg template provided in the next
comment(s).  This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.

Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.

NOTE: this issue affects multiple supported versions of Fedora. While only
one tracking bug has been filed, please correct all affected versions at
the same time.  If you need to fix the versions independent of each other,
you may clone this bug as appropriate.


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[Bug 2052020] blender: Out-of-bounds memory access due to malformed DDS image file [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=2052020



--- Comment #1 from Mauro Matteo Cascella <mcascell(a)redhat.com&gt; ---
Use the following template to for the 'fedpkg update' request to submit an
update for this issue as it contains the top-level parent bug(s) as well as
this tracking bug.  This will ensure that all associated bugs get updated
when new packages are pushed to stable.

=====

# bugfix, security, enhancement, newpackage (required)
type=security

# low, medium, high, urgent (required)
severity=medium

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=2052018,2052020

# Description of your update
notes=Security fix for [PUT CVEs HERE]

# Enable request automation based on the stable/unstable karma thresholds
autokarma=True
stable_karma=3
unstable_karma=-3

# Automatically close bugs when this marked as stable
close_bugs=True

# Suggest that users restart after update
suggest_reboot=False

======

Additionally, you may opt to use the bodhi web interface to submit updates:

https://bodhi.fedoraproject.org/updates/new


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[Bug 2052020] blender: Out-of-bounds memory access due to malformed DDS image file [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=2052020

Mauro Matteo Cascella <mcascell(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |2052018





Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=2052018
[Bug 2052018] blender: Out-of-bounds memory access due to malformed DDS image
file
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[Bug 2052020] CVE-2022-0544 blender: Out-of-bounds memory access due to malformed DDS image file [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=2052020

Guilherme de Almeida Suckevicz <gsuckevi(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|blender: Out-of-bounds      |CVE-2022-0544 blender:
                   |memory access due to        |Out-of-bounds memory access
                   |malformed DDS image file    |due to malformed DDS image
                   |[fedora-all]                |file [fedora-all]




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[Bug 2052020] CVE-2022-0544 blender: Out-of-bounds memory access due to malformed DDS image file [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=2052020

Ben Beasley <code(a)musicinmybrain.net&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |code(a)musicinmybrain.net
             Status|NEW                         |CLOSED
         Resolution|---                         |CURRENTRELEASE
        Last Closed|                            |2022-04-08 14:28:19



--- Comment #2 from Ben Beasley <code(a)musicinmybrain.net&gt; ---
https://nvd.nist.gov/vuln/detail/CVE-2022-0544
https://developer.blender.org/T94661

Based on upstream git, the fix is included in 3.1.0 and later releases (F35,
F36, F37), and in 2.93.8 final (F34), so it appears that this is already
resolved in current Fedora releases.

>  commit d9dd8c287f57716a827483973c31bbb2face2816
>  Author: Sergey Sharybin <sergey(a)blender.org&gt;
>  Date:   Mon Jan 10 14:26:57 2022 +0100
>  
>      Fix T94661: Out-of-bounds memory access due to malformed DDS image file
>      
>      Harden bounds check in the stream reader avoiding integer overflow. 

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