CVE-2007-1673: denial of service (infinite loop) in zoo and unzoo

Debian Bug report logs - #424686
CVE-2007-1673: denial of service (infinite loop) in zoo and unzoo

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Stefan Fritsch <sf@sfritsch.de>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: CVE-2007-1673: denial of service (infinite loop) in zoo and unzoo

Date: Wed, 16 May 2007 21:15:16 +0200

Package: zoo
Version: 2.10-18
Severity: grave
Tags: security patch
Justification: user security hole

>From CVE-2007-1673:
"unzoo.c allows remote attackers to cause a denial of service (infinite
loop) via a ZOO archive with a direntry structure that points to a
previous file."

Severity grave becaus zoo might be used by virus scanners:

zoo is suggested by amavisd-new.
unzoo is recommended by clamav.

PoC exploit is at [1]
Patch for zoo is at [2]

Please mention the CVE id in the changelog.


[1] http://www.sfritsch.de/CVE-2007-1673.zoo
[2] http://archives.neohapsis.com/archives/bugtraq/2007-05/0046.html

Message #16 received at 424686-close@bugs.debian.org (full text, mbox, reply):

From: Jose Carlos Medeiros <debian@psabs.com.br>

To: 424686-close@bugs.debian.org

Subject: Bug#424686: fixed in zoo 2.10-19

Date: Sat, 19 May 2007 22:47:26 +0000

Source: zoo
Source-Version: 2.10-19

We believe that the bug you reported is fixed in the latest version of
zoo, which is due to be installed in the Debian FTP archive:

zoo_2.10-19.diff.gz
  to pool/main/z/zoo/zoo_2.10-19.diff.gz
zoo_2.10-19.dsc
  to pool/main/z/zoo/zoo_2.10-19.dsc
zoo_2.10-19_i386.deb
  to pool/main/z/zoo/zoo_2.10-19_i386.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 424686@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Jose Carlos Medeiros <debian@psabs.com.br> (supplier of updated zoo package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Format: 1.7
Date: Fri, 18 May 2007 14:32:12 -0300
Source: zoo
Binary: zoo
Architecture: source i386
Version: 2.10-19
Distribution: unstable
Urgency: low
Maintainer: Jose Carlos Medeiros <debian@psabs.com.br>
Changed-By: Jose Carlos Medeiros <debian@psabs.com.br>
Description: 
 zoo        - manipulate zoo archives
Closes: 424686
Changes: 
 zoo (2.10-19) unstable; urgency=low
 .
   * Bump Standards-Version: 3.7.2.
   * Added Homepage in debian/control.
   * Added patch to solve "CVE-2007-1673: denial of service (infinite loop)",
     thanks to Jean-Sébastien Guay-Lerou <jean-sebastie@nguay-leroux.com>.
     (Closes: #424686)
Files: 
 7eab7de8eb37505b1775c33fa4e8f76e 617 utils optional zoo_2.10-19.dsc
 8dc4b5df78b71a06d14335377b40db77 13242 utils optional zoo_2.10-19.diff.gz
 1545c7dc273a3ca9e32fc6e028e5ab33 61248 utils optional zoo_2.10-19_i386.deb

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