Debian: New unarj packages fix several vulnerabilities

    Date 20 Jan 2005
    Posted By Joe Shakespeare
    Several vulnerabilities have been discovered in unarj, a non-free ARJ unarchive utility.
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    Debian Security Advisory DSA 652-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.                             Martin Schulze
    January 21st, 2005            
    - --------------------------------------------------------------------------
    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:
        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.
        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:
          Size/MD5 checksum:      528 e1d166f2eaf315641d1269a32ad1dc76
          Size/MD5 checksum:    12903 4ef4cfad33d05ecc048d63596ab2673c
          Size/MD5 checksum:    39620 7a481dc017f1fbfa7f937a97e66eb99f
      Alpha architecture:
          Size/MD5 checksum:    29668 08dc91afd3146ccdfaa51d73f8be56e5
      ARM architecture:
          Size/MD5 checksum:    22784 ed352d363cbeb34ba2268db63a632824
      Intel IA-32 architecture:
          Size/MD5 checksum:    20690 aa9490bd82bc9aef4f6092d19fa83eaa
      Intel IA-64 architecture:
          Size/MD5 checksum:    31072 0b1f0403cfaaf572399fcb60b2549664
      HP Precision architecture:
          Size/MD5 checksum:    23888 15a8d6b0b7b565186398c0b8ebe3eb6a
      Motorola 680x0 architecture:
          Size/MD5 checksum:    20384 644a6dcc9f566bad384c050bc8b8fb14
      PowerPC architecture:
          Size/MD5 checksum:    23060 5c5a1f0157aa613337f80b439e78456f
      IBM S/390 architecture:
          Size/MD5 checksum:    22668 97dc977c8217a10d4915ee32db49edd5
      Sun Sparc architecture:
          Size/MD5 checksum:    25386 bd2210a978ad30306e3db2ab112c87e8
      These files will probably be moved into the stable distribution on
      its next update.
    - ---------------------------------------------------------------------------------
    For apt-get: deb stable/updates main
    For dpkg-ftp: dists/stable/updates/main
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.

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