Debian: New webcalendar packages fix cross-site scripting
 by Patrick Lenz, in Security - Sun, Apr 29th 2007 08:58 UTC

It was discovered that WebCalendar, a PHP-based calendar application, performs insufficient sanitising in the exports handler, which allows injection of web script. Fixed packages are available from security.debian.org.

Links: security.debian.org

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Debian Security Advisory DSA 1279-1                    security@debian.org
http://www.debian.org/security/                         Moritz Muehlenhoff
April 22nd, 2007                        http://www.debian.org/security/faq
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Package        : webcalendar
Vulnerability  : missing input sanitising
Problem-Type   : remote
Debian-specific: no
CVE ID         : CVE-2006-6669

It was discovered that WebCalendar, a PHP-based calendar application,
performs insufficient sanitising in the exports handler, which allows
injection of web script.

For the old stable distribution (sarge) this problem has been fixed in
version 0.9.45-4sarge7.

The stable distribution (etch) no longer contains WebCalendar packages.

For the unstable distribution (sid) this problem has been fixed in
version 1.0.5-2.

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 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 3.1 alias sarge
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  Source archives:

    http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge7.dsc
      Size/MD5 checksum:      608 0c12e6c6307413350af264045a4df964
    http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge7.diff.gz
      Size/MD5 checksum:    13013 ced8d9c6f7d52a42c3297a685547cb06
    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_0.9.45-4sarge7_all.deb
      Size/MD5 checksum:   629712 39fca1d949580d18e1e293a1c181b1a8

  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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Referenced projects WebCalendar - A multi-user Web-based calendar.