bugtraq - [SECURITY] [DSA 596-1] New sudo packages fix privilege escalation

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Date: Wed, 24 Nov 2004 13:09:26 +0100 (CET)
From: joey@...odrom.org (Martin Schulze)
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 596-1] New sudo packages fix privilege escalation


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- --------------------------------------------------------------------------
Debian Security Advisory DSA 596-1                     security@...ian.org
http://www.debian.org/security/                             Martin Schulze
November 24th, 2004                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : sudo
Vulnerability  : missing input sanitising
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2004-1051
Debian Bug     : 281665

Liam Helmer noticed that sudo, a program that provides limited super
user privileges to specific users, does not clean the environment
sufficiently.  Bash functions and the CDPATH variable are still passed
through to the program running as privileged user, leaving
possibilities to overload system routines.  These vulnerabilities can
only be exploited by users who have been granted limited super user
privileges.

For the stable distribution (woody) these problems have been fixed in
version 1.6.6-1.2.

For the unstable distribution (sid) these problems have been fixed in
version 1.6.8p3.

We recommend that you upgrade your sudo 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/s/sudo/sudo_1.6.6-1.2.dsc
      Size/MD5 checksum:      587 b4750887bf910de5d8bc4d4ef3f71b3b
    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2.diff.gz
      Size/MD5 checksum:    12251 e138445e17adf6eec25035bb8c1ef0c9
    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6.orig.tar.gz
      Size/MD5 checksum:   333074 4da4bf6cf31634cc7a17ec3b69fdc333

  Alpha architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_alpha.deb
      Size/MD5 checksum:   151386 841c5cfa5405fbef08d95fb7fcd50364

  ARM architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_arm.deb
      Size/MD5 checksum:   141442 46d1faa34df223b014c3131879ccadff

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_i386.deb
      Size/MD5 checksum:   135076 687519f374ef803d532e1a2c966322a6

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_ia64.deb
      Size/MD5 checksum:   172442 8e0f391e39197f7911069210dae06da7

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_hppa.deb
      Size/MD5 checksum:   147512 b32938d0bf2d681b4556c64d7071187a

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_m68k.deb
      Size/MD5 checksum:   132698 63860473eb387086c4474acc395ff96e

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_mips.deb
      Size/MD5 checksum:   144380 c1ffef369f073099d84704f24e2252f1

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_mipsel.deb
      Size/MD5 checksum:   144250 bdb34c5adaf5562908d6df4517bf0cd3

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_powerpc.deb
      Size/MD5 checksum:   140566 ff92e82812ef08d35b51239099efaca3

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_s390.deb
      Size/MD5 checksum:   140222 f327c3436a5a103b1d028dc2e045c226

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/s/sudo/sudo_1.6.6-1.2_sparc.deb
      Size/MD5 checksum:   143004 6c4300c125317a6faf9e154803552485


  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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