bugtraq - [SECURITY] [DSA 675-1] New hztty packages fix local utmp exploit

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Message-ID: <m1CzHgc-000ogMC__27802.7714150541$1108061790$gmane$org@finlandia.Infodrom.North.DE>
Date: Thu, 10 Feb 2005 18:01:02 +0100 (CET)
From: joey@...odrom.org (Martin Schulze)
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 675-1] New hztty packages fix local utmp exploit


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- --------------------------------------------------------------------------
Debian Security Advisory DSA 675-1                     security@...ian.org
http://www.debian.org/security/                             Martin Schulze
February 10th, 2005                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : hztty
Vulnerability  : privilege escalation
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2005-0019

Erik Sjölund discovered that hztty, a converter for GB, Big5 and zW/HZ
Chinese encodings in a tty session, can be triggered to execute
arbitrary commands with group utmp privileges.

For the stable distribution (woody) this problem has been fixed in
version 2.0-5.2woody2.

For the unstable distribution (sid) this problem has been fixed in
version 2.0-6.1.

We recommend that you upgrade your hztty 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/h/hztty/hztty_2.0-5.2woody2.dsc
      Size/MD5 checksum:      560 921462207b6301fc73d8d2613fbaa856
    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2.diff.gz
      Size/MD5 checksum:     4158 910c17cb2807c3cd7d2df62d28f016a5
    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0.orig.tar.gz
      Size/MD5 checksum:   229189 7ec5907ad55825780274b8a77b217e21

  Alpha architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_alpha.deb
      Size/MD5 checksum:   153974 56ea5146bfcbed6392913a2dd697ac4d

  ARM architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_arm.deb
      Size/MD5 checksum:   149808 a509091afb9f413571030158d8e172d8

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_i386.deb
      Size/MD5 checksum:   149432 b5b290876059e43bf376d3f22546ad06

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_ia64.deb
      Size/MD5 checksum:   157178 652c2a0a544458bca793e3b26fe64cdc

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_hppa.deb
      Size/MD5 checksum:   153452 ca39d351f20620a31679b21312bf5d57

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_m68k.deb
      Size/MD5 checksum:   149214 b2a2faee53606c7a2599da89e7dc0779

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_mips.deb
      Size/MD5 checksum:   152704 2c94a83690bfaf39d26d5dadddfdd63e

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_mipsel.deb
      Size/MD5 checksum:   152788 3ef6e11ca5cec6b8e077c22b99552bc5

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_powerpc.deb
      Size/MD5 checksum:   150376 a9742687aec8d26f95bef974bb4de317

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_s390.deb
      Size/MD5 checksum:   151002 7607b570894e11c9d3eeb8c84bf5e009

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_sparc.deb
      Size/MD5 checksum:   153880 3b8cc02ca85fcb1add110a01c700446f


  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@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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