Articles / Debian: New webcalendar pac…

Debian: New webcalendar packages fix arbitrary code execution

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. Fixed packages are available from security.debian.org.
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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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