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Home > Products and services > CSIRTUK advisories > Advisories archive > June 2006 > Debian - New webcalendar packages fix arbitrary code execution [DSA 1096-1]

June 2006

Debian - New webcalendar packages fix arbitrary code execution [DSA 1096-1]

ID: 00411
Ref: 400/06
Date: 13 June 2006:15:25:07
Version: 1

Title: Debian - New webcalendar packages fix arbitrary code execution [DSA 1096-1]
Abstract: A vulnerability has been discovered in webcalendar, a PHP-based multi-user calendar, that allows a remote attacker to execute arbitrary PHP code when register_globals is turned on.
Vendors affected: Debian
Operating systems affected: Debian
Applications affected: Debian


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Debian Security Advisory DSA 1096-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
June 13th, 2006 http://www.debian.org/security/faq
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Package : webcalendar
Vulnerability : uninitialised variable
Problem type : remote
Debian-specific: no
CVE ID : CVE-2006-2762

A vulnerability has been discovered in webcalendar, a PHP-based
multi-user calendar, that allows a remote attacker to execute
arbitrary PHP code when register_globals is turned on.

The old stable distribution (woody) does not contain a webcalendar package.

For the stable distribution (sarge) this problem has been fixed in
version 0.9.45-4sarge5.

For the unstable distribution (sid) this problem has been fixed in
version 1.0.4-1

We recommend that you upgrade your webcalendar 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 at the end of this advisory:

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 3.1 alias sarge
- - --------------------------------

Source archives:

http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge5.dsc
Size/MD5 checksum: 608 216c1f9f764169fa877f1717f37dd73a
http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge5.diff.gz
Size/MD5 checksum: 12569 3a996902a10791fe764548728885d812
http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45.orig.tar.gz
Size/MD5 checksum: 612360 a6a66dc54cd293429b604fe6da7633a6

Architecture independent components:

http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge5_all.deb
Size/MD5 checksum: 629442 f918fe96d26d5cbfa99efe2b2e938d2f


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: debian-security-announce@lists.debian.org
Package info: `apt-cache show ' and http://packages.debian.org/

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