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[debian-users:39904] Forward: [SECURITY] [DSA 462-1] New xitalk packages fix local group utmp exploit

現在の Debian 安定版 (3.0 woody) にセキュリティに関する深刻な問題が発見
されました。

対象パッケージ: xitalk

対処済みのパッケージに更新するには、

deb http://security.debian.org/ stable/updates main contrib non-free

を /etc/apt/sources.list に追加し、

apt-get update ; apt-get upgrade

を実行してください。

詳細については添付のアナウンスをご覧ください。
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Debian Security Advisory DSA 462-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
March 12th, 2004                         http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : xitalk
Vulnerability  : missing privilege release
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2004-0151

Steve Kemp from the GNU/Linux audit project discovered a problem in
xitalk, a talk intercept utility for the X Window System.  A local
user can exploit this problem and execute arbitrary commands under the
GID utmp.  This could be used by an attacker to remove traces from the
utmp file.

For the stable distribution (woody) this problem has been fixed in
version 1.1.11-9.1woody1.

For the unstable distribution (sid) this problem will be fixed soon.

We recommend that you upgrade your xitalk 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/main/x/xitalk/xitalk_1.1.11-9.1woody1.dsc
      Size/MD5 checksum:      589 fa2f8c040bcbe93612e195f0aff8865a
    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1.diff.gz
      Size/MD5 checksum:     6036 d4c631b5fa0f209eb31fa5190e4bc694
    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11.orig.tar.gz
      Size/MD5 checksum:   174034 c9dd82bce840dd4743484e4a0b96091f

  Alpha architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_alpha.deb
      Size/MD5 checksum:   103962 3efc908657b62f8adaa3012d83e3ebe2

  ARM architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_arm.deb
      Size/MD5 checksum:    93884 af7543b585cdd3c7e02461b8fd379a16

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_i386.deb
      Size/MD5 checksum:    90606 27ca59056944b7540ddf6c5a54f7ad8e

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_ia64.deb
      Size/MD5 checksum:   113966 00f90fd68c62294bfdde61b2e9761889

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_hppa.deb
      Size/MD5 checksum:    98970 cb2fada655f4dadf2f652fe0d05374cd

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_m68k.deb
      Size/MD5 checksum:    89216 b6231ec3e5b5f1b98da3a20dbd3978f7

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_mips.deb
      Size/MD5 checksum:    98160 5a191512003e04af8df188cd834e7c50

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_mipsel.deb
      Size/MD5 checksum:    97920 1ccd7fc6517cfdf7aeab91845bf930ff

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_powerpc.deb
      Size/MD5 checksum:    95748 6cf1cb1de4645b579328fa649cf7c9fe

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_s390.deb
      Size/MD5 checksum:    94110 eb74a36ba2014ee215a95d96bbce2acb

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/x/xitalk/xitalk_1.1.11-9.1woody1_sparc.deb
      Size/MD5 checksum:   100100 ae3d7a9acdc80160b9c6b3c044c2fe9f


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

- ---------------------------------------------------------------------------------
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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