[Bf-committers] Blender appears on the Bugtraq security list
Kent Mein
mein at cs.umn.edu
Fri Jan 6 21:13:40 CET 2006
In reply to Hans Lambermont (hans at lambermont.dyndns.org):
> AFAIK this is the first time that a security bug in Blender popped up on
> the bugtraq list. Is the issue involved also fixed in the blender.org
> CVS tree ?
>
I'm pretty sure this is the one I fixed earlier would be nice for someone
to track down this guy and verify its fixed.
Kent
> [USN-238-1] Blender vulnerability
> 22733 by: Martin Pitt
>
> [USN-238-2] Blender vulnerability
> 22734 by: Martin Pitt
>
> Btw, I have no idea what USN-238-1 is about (does Blender have
> networking capabilities that I missed ?) But USN-238-2 is about a .blend
> file.
>
> See below.
>
> -- Hans Lambermont
>
> From: Martin Pitt <martin.pitt at canonical.com>
> To: ubuntu-security-announce at lists.ubuntu.com
> Subject: [USN-238-1] Blender vulnerability
> Date: Fri, 6 Jan 2006 10:13:41 +0100
> Cc: full-disclosure at lists.grok.org.uk, bugtraq at securityfocus.com
> Message-ID: <20060106091341.GB5197 at piware.de>
>
> ===========================================================
> Ubuntu Security Notice USN-238-1 January 06, 2006
> blender vulnerability
> CVE-2005-3354
> ===========================================================
>
> A security issue affects the following Ubuntu releases:
>
> Ubuntu 5.10 (Breezy Badger)
>
> The following packages are affected:
>
> blender
>
> The problem can be corrected by upgrading the affected package to
> version 2.37a-1ubuntu1.1. In general, a standard system upgrade is
> sufficient to effect the necessary changes.
>
> Details follow:
>
> Kurt Fitzner discovered that the NBD (network block device) server did
> not correctly verify the maximum size of request packets. By sending
> specially crafted large request packets, a remote attacker who is
> allowed to access the server could exploit this to execute arbitrary
> code with root privileges.
>
> Source archives:
>
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1.diff.gz
> Size/MD5: 11607 282c2bc853abdd9fcadeb94fd42d293f
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1.dsc
> Size/MD5: 759 f6d6c5fe8bba50202cb60db85a1f3240
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a.orig.tar.gz
> Size/MD5: 7885589 2af6afdb01c1d297c43602982d9a919c
>
> amd64 architecture (Athlon64, Opteron, EM64T Xeon)
>
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1_amd64.deb
> Size/MD5: 4791610 926553266642bd9f625e1b27dccd23ff
>
> i386 architecture (x86 compatible Intel/AMD)
>
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1_i386.deb
> Size/MD5: 4113452 ee9f2a301ed054d9c56dd2412757465b
>
> powerpc architecture (Apple Macintosh G3/G4/G5)
>
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1_powerpc.deb
> Size/MD5: 4641056 8b75ee14b6ce089d7172c88343a1b821
>
>
>
> From: Martin Pitt <martin.pitt at canonical.com>
> To: ubuntu-security-announce at lists.ubuntu.com
> Subject: [USN-238-2] Blender vulnerability
> Date: Fri, 6 Jan 2006 10:47:44 +0100
> Cc: full-disclosure at lists.grok.org.uk, bugtraq at securityfocus.com
> Message-ID: <20060106094744.GC5197 at piware.de>
>
> ===========================================================
> Ubuntu Security Notice USN-238-2 January 06, 2006
> blender vulnerability
> CVE-2005-4470
> ===========================================================
>
> A security issue affects the following Ubuntu releases:
>
> Ubuntu 5.10 (Breezy Badger)
>
> The following packages are affected:
>
> blender
>
> The problem can be corrected by upgrading the affected package to
> version 2.37a-1ubuntu1.1. In general, a standard system upgrade is
> sufficient to effect the necessary changes.
>
> The original advisory in USN-238-1 accidentially contained a wrong CVE
> number and advisory text. We apologize for this error.
>
> Details follow:
>
> Damian Put discovered that Blender did not properly validate a
> 'length' value in .blend files. Negative values led to an
> insufficiently sized memory allocation. By tricking a user into
> opening a specially crafted .blend file, this could be exploited to
> execute arbitrary code with the privileges of the Blender user.
>
> Source archives:
>
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1.diff.gz
> Size/MD5: 11607 282c2bc853abdd9fcadeb94fd42d293f
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1.dsc
> Size/MD5: 759 f6d6c5fe8bba50202cb60db85a1f3240
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a.orig.tar.gz
> Size/MD5: 7885589 2af6afdb01c1d297c43602982d9a919c
>
> amd64 architecture (Athlon64, Opteron, EM64T Xeon)
>
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1_amd64.deb
> Size/MD5: 4791610 926553266642bd9f625e1b27dccd23ff
>
> i386 architecture (x86 compatible Intel/AMD)
>
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1_i386.deb
> Size/MD5: 4113452 ee9f2a301ed054d9c56dd2412757465b
>
> powerpc architecture (Apple Macintosh G3/G4/G5)
>
> http://security.ubuntu.com/ubuntu/pool/main/b/blender/blender_2.37a-1ubuntu1.1_powerpc.deb
> Size/MD5: 4641056 8b75ee14b6ce089d7172c88343a1b821
>
> ----- End forwarded message -----
>
> --
> http://hans.dse.nl/ () ASCII-ribbon campaign against vCards,
> /\ HTML-mail and proprietary formats.
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--
mein at cs.umn.edu
http://www.cs.umn.edu/~mein
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