ID: 00351
Ref: 344/2006
Date: 15 May 2006:13:44:13
Version: 1
Title: Debian Security Advisory: DSA 1056-1 - New webcalendar packages fix information leak
Abstract: David Maciejak noticed that webcalendar, a PHP-Based multi-user calendar, returns different error messages on login attempts for an invalid password and a non-existing user, allowing remote attackers to gain information about valid usernames.
Vendors affected: Debian
Operating systems affected: Debian
Applications affected: Debian
Title
=====
Debian Security Advisory: DSA 1056-1 - New webcalendar packages fix information leak
Detail
======
David Maciejak noticed that webcalendar, a PHP-Based multi-user
calendar, returns different error messages on login attempts for an
invalid password and a non-existing user, allowing remote attackers to
gain information about valid usernames.
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Debian Security Advisory DSA 1056-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
May 15th, 2006 http://www.debian.org/security/faq
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Package : webcalendar
Vulnerability : verbose error message
Problem type : remote
Debian-specific: no
CVE ID : CVE-2006-2247
Debian Bug : 366927
David Maciejak noticed that webcalendar, a PHP-Based multi-user
calendar, returns different error messages on login attempts for an
invalid password and a non-existing user, allowing remote attackers to
gain information about valid usernames.
The old stable distribution (woody) does not contain a webcalendar package
For the stable distribution (sarge) this problem has been fixed in
version 0.9.45-4sarge4.
For the unstable distribution (sid) this problem will be fixed soon.
We recommend that you upgrade your webcalendar 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 3.1 alias sarge
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Source archives:
http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge4.dsc
Size/MD5 checksum: 610 1a88e45355b0ca1a474eba42ac6c8eb4
http://security.debian.org/pool/updates/main/w/webcalendar/webcalendar_0.9.45-4sarge4.diff.gz
Size/MD5 checksum: 12135 a518268d52b8a4744dd31ae9a7b60d0c
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_0.9.45-4sarge4_all.deb
Size/MD5 checksum: 629232 c83c6d64bf495a79cc6fad26b68708e0
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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