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Debian: New TYPO3 packages fix remote code execution Print E-mail
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Posted by Benjamin D. Thomas   
Debian Several remotely exploitable vulnerabilities have been discovered in the TYPO3 web content management framework. The Common Vulnerabilities and Exposures project identifies the following problems...
- ------------------------------------------------------------------------
Debian Security Advisory DSA-1711-1                                       Nico Golde
January 26, 2009            
- ------------------------------------------------------------------------

Package        : typo3-src
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2009-0255 CVE-2009-0256 CVE-2009-0257 CVE-2009-0258
Debian Bug     : 512608
BugTraq ID     : 33376

Several remotely exploitable vulnerabilities have been discovered in the
TYPO3 web content management framework.  The Common Vulnerabilities and
Exposures project identifies the following problems:

    Chris John Riley discovered that the TYPO3-wide used encryption key is
    generated with an insufficiently random seed resulting in low entropy
    which makes it easier for attackers to crack this key.

    Marcus Krause discovered that TYPO3 is not invalidating a supplied session
    on authentication which allows an attacker to take over a victims
    session via a session fixation attack.

    Multiple cross-site scripting vulnerabilities allow remote attackers to
    inject arbitrary web script or HTML via various arguments and user-
    supplied strings used in the indexed search system extension, adodb
    extension test scripts or the workspace module.

    Mads Olesen discovered a remote command injection vulnerability in
    the indexed search system extension which allows attackers to
    execute arbitrary code via a crafted file name which is passed
    unescaped to various system tools that extract file content for
    the indexing.

Because of CVE-2009-0255, please make sure that besides installing
this update, you also create a new encryption key after the

For the stable distribution (etch) these problems have been fixed in
version 4.0.2+debian-7.

For the unstable distribution (sid) these problems have been fixed in
version 4.2.5-1.

We recommend that you upgrade your TYPO3 packages.

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:
    Size/MD5 checksum:  7683527 be509391b0e4d24278c14100c09dc673
    Size/MD5 checksum:    23596 344f6b5ada56d361e274556d6d7eaf99
    Size/MD5 checksum:      610 6b99cc9acd82ec6010a38006910169c9

Architecture independent packages:
    Size/MD5 checksum:    76924 33b4077e99038121aa5667a3a166d99e
    Size/MD5 checksum:  7691182 f5c8ecbf93c7af50b29b5ded8f455b75

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

- ---------------------------------------------------------------------------------
For apt-get: deb stable/updates main
For dpkg-ftp: dists/stable/updates/main
Mailing list:
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