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[SECURITY] [DSA 652-1] New unarj packages fix several vulnerabilities
From: joey () infodrom org (Martin Schulze)
Date: Fri, 21 Jan 2005 09:40:22 +0100 (CET)

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Debian Security Advisory DSA 652-1                     security () debian org
http://www.debian.org/security/                             Martin Schulze
January 21st, 2005                      http://www.debian.org/security/faq
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Package        : unarj
Vulnerability  : several
Problem-Type   : local (remote)
Debian-specific: no
CVE ID         : CAN-2004-0947 CAN-2004-1027
Debian Bug     : 281922

Several vulnerabilities have been discovered in unarj, a non-free ARJ
unarchive utility.  The Common Vulnerabilities and Exposures Project
identifies the following vulnerabilities:

CAN-2004-0947

    A buffer overflow has been discovered when handling long file
    names contained in an archive.  An attacker could create a
    specially crafted archive which could cause unarj to crash or
    possibly execute arbitrary code when being extracted by a victim.

CAN-2004-1027

    A directory traversal vulnerability has been found so that an
    attacker could create a specially crafted archive which would
    create files in the parent directory when being extracted by a
    victim.  When used recursively, this vulnerability could be used
    to overwrite critical system files and programs.

For the stable distribution (woody) these problems have been fixed in
version 2.43-3woody1.

For the unstable distribution (sid) these problems don't apply since
unstable/non-free does not contain the unarj package.

We recommend that you upgrade your unarj package.


Upgrade Instructions
- --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1.dsc
      Size/MD5 checksum:      528 e1d166f2eaf315641d1269a32ad1dc76
    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1.diff.gz
      Size/MD5 checksum:    12903 4ef4cfad33d05ecc048d63596ab2673c
    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43.orig.tar.gz
      Size/MD5 checksum:    39620 7a481dc017f1fbfa7f937a97e66eb99f

  Alpha architecture:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1_alpha.deb
      Size/MD5 checksum:    29668 08dc91afd3146ccdfaa51d73f8be56e5

  ARM architecture:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1_arm.deb
      Size/MD5 checksum:    22784 ed352d363cbeb34ba2268db63a632824

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1_i386.deb
      Size/MD5 checksum:    20690 aa9490bd82bc9aef4f6092d19fa83eaa

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1_ia64.deb
      Size/MD5 checksum:    31072 0b1f0403cfaaf572399fcb60b2549664

  HP Precision architecture:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1_hppa.deb
      Size/MD5 checksum:    23888 15a8d6b0b7b565186398c0b8ebe3eb6a

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1_m68k.deb
      Size/MD5 checksum:    20384 644a6dcc9f566bad384c050bc8b8fb14

  PowerPC architecture:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1_powerpc.deb
      Size/MD5 checksum:    23060 5c5a1f0157aa613337f80b439e78456f

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1_s390.deb
      Size/MD5 checksum:    22668 97dc977c8217a10d4915ee32db49edd5

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/non-free/u/unarj/unarj_2.43-3woody1_sparc.deb
      Size/MD5 checksum:    25386 bd2210a978ad30306e3db2ab112c87e8


  These files will probably be moved into the stable distribution on
  its next update.

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce () lists debian org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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