BugTraq
[SECURITY] [DSA 799-1] New webcalendar packages fix remote code execution Sep 02 2005 11:39AM
Michael Stone (mstone klecker debian org)
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Debian Security Advisory DSA 798-1 security (at) debian (dot) org [email concealed]
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
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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
.9.45-4sarge2.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 (at) lists.debian (dot) org [email concealed]
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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