[Full-disclosure] [SECURITY] [DSA 794-1] New polygen packages fix denial of service

From: Martin Schulze (joey_at_infodrom.org)
Date: 09/01/05

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    Date: Thu, 1 Sep 2005 21:37:46 +0200 (CEST)
To: debian-security-announce@lists.debian.org (Debian Security Announcements)

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    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 794-1 security@debian.org
    http://www.debian.org/security/ Martin Schulze
    September 1st, 2005 http://www.debian.org/security/faq
    - --------------------------------------------------------------------------

    Package : polygen
    Vulnerability : programming error
    Problem-Type : local
    Debian-specific: no
    CVE ID : CAN-2005-2656
    Debian Bug : 325468

    Justin Rye noticed that polygen generates precompiled grammar objects
    world-writable, which can be exploited by a local attacker to at least
    fill up the filesystem.

    The old stable distribution (woody) does not contain the polygen package.

    For the stable distribution (sarge) this problem has been fixed in
    version 1.0.6-7sarge1.

    For the unstable distribution (sid) this problem has been fixed in
    version 1.0.6-9.

    We recommend that you upgrade your polygen 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:

        http://security.debian.org/pool/updates/main/p/polygen/polygen_1.0.6-7sarge1.dsc
          Size/MD5 checksum: 624 5884af6c72cffb4715dec28af8f6dd6d
        http://security.debian.org/pool/updates/main/p/polygen/polygen_1.0.6-7sarge1.diff.gz
          Size/MD5 checksum: 3874 2d23ba087885b09cf130c8cbd1cb69ff
        http://security.debian.org/pool/updates/main/p/polygen/polygen_1.0.6.orig.tar.gz
          Size/MD5 checksum: 360877 f75f09a959069e6492845fb10f0d29e2

      Architecture independent components:

        http://security.debian.org/pool/updates/main/p/polygen/polygen-data_1.0.6-7sarge1_all.deb
          Size/MD5 checksum: 263626 f8fd3d92d9df8cab3a4e980e02af661b
        http://security.debian.org/pool/updates/main/p/polygen/polygen_1.0.6-7sarge1_all.deb
          Size/MD5 checksum: 85244 09cb354582c54eb20cb78d0912ee3eef

      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/>

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