[SECURITY] [DSA 649-1] New xtrlock packages fix authentication bypass

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Debian Security Advisory DSA 649-1 [email protected]
http://www.debian.org/security/ Martin Schulze
January 20th, 2005 http://www.debian.org/security/faq

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Package : xtrlock
Vulnerability : buffer overflow
Problem-Type : local
Debian-specific: no
CVE ID : CAN-2005-0079
Debian Bug : 278190 278191

A buffer overflow has been discovered in xtrlock, a minimal X display
lock program which can be exploited by a malicious local attacker to
crash the lock program and take over the desktop session.

For the stable distribution (woody) this problem has been fixed in
version 2.0-6woody2.

For the unstable distribution (sid) this problem has been fixed in
version 2.0-9.

We recommend that you upgrade your xtrlock package.

Upgrade Instructions

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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

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Source archives:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2.dsc
  Size/MD5 checksum:      500 d39ea1ae4ee66338786d018406065022
http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2.tar.gz
  Size/MD5 checksum:     6977 6e6cfc0627bb74bd5014b550c2ea7a5f

Alpha architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_alpha.deb
  Size/MD5 checksum:     9604 d05e56b7856e770b1b43daaf43a0dc3d

ARM architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_arm.deb
  Size/MD5 checksum:     8604 f0d46d569f47ecb8a138c9f91be6cdc6

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_i386.deb
  Size/MD5 checksum:     8730 63b6233b95553ffa59de4811c06a6502

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_ia64.deb
  Size/MD5 checksum:    10104 ab12fc340b57cb3cbd58cbb0e6e1c188

HP Precision architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_hppa.deb
  Size/MD5 checksum:     8988 cd59712f225ec6d790ad608a8c0dac3a

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_m68k.deb
  Size/MD5 checksum:     8606 abac92671aefe845c7fd609668a9f367

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_mips.deb
  Size/MD5 checksum:     8830 1a09a3a4e99e8c5f94a555ad8f9fc0c0

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_mipsel.deb
  Size/MD5 checksum:     8828 7f56d17dd068abe7cb99a47f2e328fc9

PowerPC architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_powerpc.deb
  Size/MD5 checksum:     8636 cd7dfdba990035bc942e1c16844eefcd

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_s390.deb
  Size/MD5 checksum:     9128 f85ab602c4160b29bdb98170114b2368

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_sparc.deb
  Size/MD5 checksum:    11340 c5b11b174068e3b0ebc61aa5f6cf9412

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

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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: [email protected]
Package info: `apt-cache show <pkg>' and http://packages.debian.org/&lt;pkg&gt;

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