full-disclosure - [SECURITY] [DSA 1639-1] New twiki packages execution of arbitrary code

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Date: Fri, 19 Sep 2008 20:25:13 +0100
From: Steve Kemp <skx@...ian.org>
To: debian-security-announce@...ts.debian.org
Subject: [SECURITY] [DSA 1639-1] New twiki packages
	execution of arbitrary code

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- ------------------------------------------------------------------------
Debian Security Advisory DSA-1639-1                  security@...ian.org
http://www.debian.org/security/                               Steve Kemp
September 19, 2008                    http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package        : twiki
Vulnerability  : command execution
Problem type   : remote
Debian-specific: no
CVE Id(s)      : CVE-2008-3195
Debian Bug     : 499534 

It was discovered that twiki, a web based collaboration platform,
didn't properly sanitize the image parameter in its configuration script.
This could allow remote users to execute arbitrary commands upon the 
system, or read any files which were readable by the webserver user.

For the stable distribution (etch), this problem has been fixed in version
1:4.0.5-9.1etch1.

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

We recommend that you upgrade your twiki 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 4.0 alias etch
- -------------------------------

Source archives:

  http://security.debian.org/pool/updates/main/t/twiki/twiki_4.0.5-9.1etch1.dsc
    Size/MD5 checksum:      657 402a4ba19643a0a537c9f790bd03c9d0
  http://security.debian.org/pool/updates/main/t/twiki/twiki_4.0.5.orig.tar.gz
    Size/MD5 checksum:  4264148 d984b90886c12601b76f51419bb5352b
  http://security.debian.org/pool/updates/main/t/twiki/twiki_4.0.5-9.1etch1.diff.gz
    Size/MD5 checksum:    40238 265511661493e751ffce5ba2b00c1555

Architecture independent packages:

  http://security.debian.org/pool/updates/main/t/twiki/twiki_4.0.5-9.1etch1_all.deb
    Size/MD5 checksum:  4254028 cd6524136eca86aefb207cc86abce619

  These files will probably be moved into the stable distribution on
  its next update.

- ---------------------------------------------------------------------------------
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@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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