full-disclosure - [USN-235-1] sudo vulnerability

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Message-ID: <20060105163841.GI5210@piware.de>
Date: Thu Jan  5 16:38:52 2006
From: martin.pitt at canonical.com (Martin Pitt)
Subject: [USN-235-1] sudo vulnerability

===========================================================
Ubuntu Security Notice USN-235-1	   January 05, 2006
sudo vulnerability
CVE-2005-4158
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 4.10 (Warty Warthog)
Ubuntu 5.04 (Hoary Hedgehog)
Ubuntu 5.10 (Breezy Badger)

The following packages are affected:

sudo

The problem can be corrected by upgrading the affected package to
version 1.6.7p5-1ubuntu4.4 (for Ubuntu 4.10), 1.6.8p5-1ubuntu2.3 (for
Ubuntu 5.04), or 1.6.8p9-2ubuntu2.2 (for Ubuntu 5.10).  In general, a
standard system upgrade is sufficient to effect the necessary changes.

Details follow:

Charles Morris discovered a privilege escalation vulnerability in
sudo.  On executing Perl scripts with sudo, various environment
variables that affect Perl's library search path were not cleaned
properly. If sudo is set up to grant limited sudo execution of Perl
scripts to normal users, this could be exploited to run arbitrary
commands as the target user.

This security update also filters out environment variables that can
be exploited similarly with Python, Ruby, and zsh scripts.

Please note that this does not affect the default Ubuntu installation,
or any setup that just grants full root privileges to certain users.


Updated packages for Ubuntu 4.10:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5-1ubuntu4.4.diff.gz
      Size/MD5:    28048 5218c513df9c959dd313c4be22aaa25b
    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5-1ubuntu4.4.dsc
      Size/MD5:      585 3f914d6d796048d161dda14c8de1e09f
    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5.orig.tar.gz
      Size/MD5:   349785 55d503e5c35bf1ea83d38244e0242aaf

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5-1ubuntu4.4_amd64.deb
      Size/MD5:   156626 e425b3d24d561805a976fbd860addf90

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5-1ubuntu4.4_i386.deb
      Size/MD5:   146046 740822460f6711c889f331e6f63b3c3b

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5-1ubuntu4.4_powerpc.deb
      Size/MD5:   153604 995c81080a1eb4b5266bae6fa3bad812

Updated packages for Ubuntu 5.04:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5-1ubuntu2.3.diff.gz
      Size/MD5:    24291 cfa4cda75436030ce5c8b2a5778f3736
    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5-1ubuntu2.3.dsc
      Size/MD5:      585 8a8e0849da19d006b46655bbfa57b593
    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5.orig.tar.gz
      Size/MD5:   584832 03538d938b8593d6f1d66ec6c067b5b5

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5-1ubuntu2.3_amd64.deb
      Size/MD5:   170784 1da10690d4d5a3c3623e0b20282de467

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5-1ubuntu2.3_i386.deb
      Size/MD5:   159012 be5ccb2125b6046ddc7b7b850d32812e

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5-1ubuntu2.3_powerpc.deb
      Size/MD5:   165848 9a2e4fbd41fc1cc8280c3a013ef3d3fb

Updated packages for Ubuntu 5.10:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p9-2ubuntu2.2.diff.gz
      Size/MD5:    22481 3b49d421cf10302c44e601946c029f06
    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p9-2ubuntu2.2.dsc
      Size/MD5:      585 10738797809673ab80a30ce1a2401ffd
    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p9.orig.tar.gz
      Size/MD5:   585509 6d0346abd16914956bc7ea4f17fc85fb

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p9-2ubuntu2.2_amd64.deb
      Size/MD5:   172686 466d5461ec58d669f5978ffe47e2ff1d

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p9-2ubuntu2.2_i386.deb
      Size/MD5:   159106 5a4898a7ea752ae91b9113d5d8d5751c

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p9-2ubuntu2.2_powerpc.deb
      Size/MD5:   167236 43125eeceec512ca67b03d30fc4d2484
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