Debian: New gzip packages fix arbitrary code execution

    Date 19 Sep 2006
    Posted By LinuxSecurity Advisories
    Updated package.
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    Debian Security Advisory DSA 1181-1                    This email address is being protected from spambots. You need JavaScript enabled to view it.                         Moritz Muehlenhoff
    September 19th, 2006          
    - --------------------------------------------------------------------------
    Package        : gzip
    Vulnerability  : several
    Problem-Type   : local(remote)
    Debian-specific: no
    CVE ID         : CVE-2006-4334 CVE-2006-4335 CVE-2006-4336 CVE-2006-4337 CVE-2006-4338
    Tavis Ormandy from the Google Security Team discovered several
    vulnerabilities in gzip, the GNU compression utility. The Common
    Vulnerabilities and Exposures project identifies the following problems:
        A null pointer dereference may lead to denial of service if gzip is
        used in an automated manner.
        Missing boundary checks may lead to stack modification, allowing
        execution of arbitrary code.
        A buffer underflow in the pack support code may lead to execution of
        arbitrary code.
        A buffer underflow in the LZH support code may lead to execution of
        arbitrary code.
        An infinite loop may lead to denial of service if gzip is used in
        an automated manner.
    For the stable distribution (sarge) these problems have been fixed in
    version 1.3.5-10sarge2.
    For the unstable distribution (sid) these problems have been fixed in
    version 1.3.5-15.
    We recommend that you upgrade your gzip 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 3.1 alias sarge
    - --------------------------------
      Source archives:
          Size/MD5 checksum:      566 b4ef2a9e595a17f8596fdefb1f4b9bf6
          Size/MD5 checksum:    60478 cd1bec47a01d72c800f3bac85dfcc5f3
          Size/MD5 checksum:   331550 3d6c191dfd2bf307014b421c12dc8469
      Alpha architecture:
          Size/MD5 checksum:    83740 450c8d78aa9654ab651ac21115834432
      AMD64 architecture:
          Size/MD5 checksum:    75370 cf8896b90d00dc8fce58ab1e88149674
      ARM architecture:
          Size/MD5 checksum:    76472 24b1723495120c89b9a1a55712fc557d
      HP Precision architecture:
          Size/MD5 checksum:    79586 9a2d72859917de0f8b269ea95f392b2b
      Intel IA-32 architecture:
          Size/MD5 checksum:    71164 8267f1f753b0a2b380d149280b6e44bb
      Intel IA-64 architecture:
          Size/MD5 checksum:    91588 30b9aa547cfacc09cee832a9b7516b6e
      Motorola 680x0 architecture:
          Size/MD5 checksum:    69110 cf17c8d59a6204c2dce1828f2b1f24c6
      Big endian MIPS architecture:
          Size/MD5 checksum:    79488 e2242db1fb6e1c589a67658f96ba7f27
      Little endian MIPS architecture:
          Size/MD5 checksum:    79350 da63d665a88c29c6cf07b1ef3566ecd1
      PowerPC architecture:
          Size/MD5 checksum:    76948 12e742fd43b8325e89f3b96e0cdd89a6
      IBM S/390 architecture:
          Size/MD5 checksum:    77540 0e75950ede6c45a332eead6d71b7e7a2
      Sun Sparc architecture:
          Size/MD5 checksum:    74654 471feed410766674a72327e58702febd
      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
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