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[SECURITY] [DSA 799-1] New webcalendar packages fix remote code execution
From: Michael Stone <mstone () klecker debian org>
Date: Fri, 02 Sep 2005 13:39:10 +0200

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Debian Security Advisory DSA 798-1                     security () debian org
http://www.debian.org/security/                              Michael Stone
September 2, 2005                       http://www.debian.org/security/faq
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Package        : webcalendar
Vulnerability  : remote code execution
Problem-Type   : input validation
Debian-specific: no
CVE ID         : CAN-2005-2717

A trivially-exploitable bug was discovered in webcalendar that
allows an attacker to execute arbitrary code with the privileges of
the HTTP daemon on a system running a vulnerable version.

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

For the stable distribution (sarge) this problem has been fixed in
version 0.9.45-4sarge2.

For the unstable distribution (sid) this problem will be fixed
shortly.

We recommend that you upgrade your webcalendar package immediately.


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
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge2.diff.gz
      Size/MD5 checksum:     9908 ae927afd627778637759df5f2e4e8336
    http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge2.dsc
      Size/MD5 checksum:      725 0e765e2795bba3a7ccaedea569f2475c
    http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45.orig.tar.gz
      Size/MD5 checksum:   612360 a6a66dc54cd293429b604fe6da7633a6

  Architecture independent packages:

    http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge2_all.deb
      Size/MD5 checksum:   627470 1206a45774cad65c0b2b85bdc48a2d53

  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 <pkg>' and http://packages.debian.org/<pkg>

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