[Full-disclosure] [SECURITY] [DSA 750-1] New dhcpcd packages fix denial of service

From: Martin Schulze (joey_at_infodrom.org)
Date: 07/11/05

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    Date: Mon, 11 Jul 2005 12:53:31 +0200 (CEST)
    To: debian-security-announce@lists.debian.org (Debian Security Announcements)
    
    

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    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 750-1 security@debian.org
    http://www.debian.org/security/ Martin Schulze
    July 11th, 2005 http://www.debian.org/security/faq
    - --------------------------------------------------------------------------

    Package : dhcpcd
    Vulnerability : out-of-bound memory access
    Problem-Type : remote
    Debian-specific: no
    CVE ID : CAN-2005-1848

    "infamous42md" discovered that dhcpcd, a DHCP client for automatically
    configuring IPv4 networking, can be tricked into reading past the end
    of the supplied DHCP buffer which could lead to the daemon crashing.

    The old stable distribution (woody) is not affected by this problem.

    For the stable distribution (sarge) this problem has been fixed in
    version 1.3.22pl4-21sarge1.

    For the unstable distribution (sid) this problem has been fixed in
    version 1.3.22pl4-22.

    We recommend that you upgrade your dhcpcd 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/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1.dsc
          Size/MD5 checksum: 592 b6f08de07c771dfa88ee4c2da213c8ef
        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1.diff.gz
          Size/MD5 checksum: 44718 bde490fd50bea65991eff869db8cb947
        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4.orig.tar.gz
          Size/MD5 checksum: 148273 59669a4110a2061f05c1c6fa6171bed2

      Alpha architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_alpha.deb
          Size/MD5 checksum: 70610 6bd6b7a893cee910bdb9cc146382f042

      ARM architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_arm.deb
          Size/MD5 checksum: 61322 066e0c5510629d03a56261c60e3ffeda

      Intel IA-32 architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_i386.deb
          Size/MD5 checksum: 57394 1b376dc7cc9db55598fa231e848576e0

      Intel IA-64 architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_ia64.deb
          Size/MD5 checksum: 78624 31cc80567333e8538ec516cdb3986e1d

      HP Precision architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_hppa.deb
          Size/MD5 checksum: 64312 f3558fc2bfdc41d27596f5c02aab4765

      Motorola 680x0 architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_m68k.deb
          Size/MD5 checksum: 55526 36c9b163754358f111d340b150d46f7a

      Big endian MIPS architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_mips.deb
          Size/MD5 checksum: 62664 e624f951d018d069ef84757985f4c33e

      Little endian MIPS architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_mipsel.deb
          Size/MD5 checksum: 62868 0c20a5f40098c62423c21ec50bb054de

      PowerPC architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_powerpc.deb
          Size/MD5 checksum: 59848 f2763a581130fec32fe15f37aabe0168

      IBM S/390 architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_s390.deb
          Size/MD5 checksum: 59668 1549b23d2e50886cbaa5848961c64745

      Sun Sparc architecture:

        http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_sparc.deb
          Size/MD5 checksum: 61234 ff9565a968d5d57f8ece62fcadfeeca7

      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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