bugtraq - [USN-142-1] sudo vulnerability

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Message-ID: <20050621135422.GB10173@piware.de>
Date: Tue, 21 Jun 2005 15:54:22 +0200
From: Martin Pitt <martin.pitt@...onical.com>
To: ubuntu-security-announce@...ts.ubuntu.com
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: [USN-142-1] sudo vulnerability

===========================================================
Ubuntu Security Notice USN-142-1	      June 21, 2005
sudo vulnerability
CAN-2005-1993
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 4.10 (Warty Warthog)
Ubuntu 5.04 (Hoary Hedgehog)

The following packages are affected:

sudo

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

Details follow:

Charles Morris discovered a race condition in sudo which could lead to
privilege escalation. If /etc/sudoers allowed a user the execution of
selected programs, and this was followed by another line containing
the pseudo-command "ALL", that user could execute arbitrary commands
with sudo by creating symbolic links at a certain time.

Please note that this does not affect a standard Ubuntu installation.


Updated packages for Ubuntu 4.10 (Warty Warthog):

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5-1ubuntu4.2.diff.gz
      Size/MD5:    19738 c0823e3947f35d25f259e7fd8f16f087
    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5-1ubuntu4.2.dsc
      Size/MD5:      585 75d7496b2ccc5d4156cf64f7734e4671
    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_1.6.7p5-1ubuntu4.2_amd64.deb
      Size/MD5:   156152 a1b87562400cf5bed227cb36c8f84f89

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5-1ubuntu4.2_i386.deb
      Size/MD5:   145582 7bbe9545270debdfbb783470aec52da3

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.7p5-1ubuntu4.2_powerpc.deb
      Size/MD5:   153136 8de2ac3f51917aa5a7f036075567e68d

Updated packages for Ubuntu 5.04 (Hoary Hedgehog):

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5-1ubuntu2.1.diff.gz
      Size/MD5:    23451 560c7ca527526d804009152f1a64752f
    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5-1ubuntu2.1.dsc
      Size/MD5:      585 024e53a1dc3320b92c3def3278e93b1b
    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_1.6.8p5-1ubuntu2.1_amd64.deb
      Size/MD5:   170290 b730a59f092cbdf22fc3f0649ec55b7f

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5-1ubuntu2.1_i386.deb
      Size/MD5:   158592 6383525dc85c777200a0f90304dfef41

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1.6.8p5-1ubuntu2.1_powerpc.deb
      Size/MD5:   165296 3b4399b3149cde69961cb3a9140671a9

Download attachment "signature.asc" of type "application/pgp-signature" (190 bytes)

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