Articles / Debian: New horde3 packages…

Debian: New horde3 packages fix arbitrary code execution

Stefan Esser discovered that Horde, a web application framework providing classes for dealing with preferences, compression, browser detection, connection tracking, MIME, and more, is insufficiently validating and escaping user provided input. The Horde_Form_Type_image form element allows to reuse a temporary filename on reuploads which are stored in a hidden HTML field and then trusted without prior validation. An attacker can use this to overwrite arbitrary files on the system or to upload PHP code and thus execute arbitrary code with the rights of the webserver. Updated packages are available from security.debian.org.

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- --------------------------------------------------------------------------
Debian Security Advisory DSA-1897-1                    security@debian.org
http://www.debian.org/security/                                 Nico Golde
September 28th, 2009                    http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : horde3
Vulnerability  : insufficient input sanitization
Problem type   : remote
Debian-specific: no
Debian bug     : #547318
CVE ID         : CVE-2009-3236

Stefan Esser discovered that Horde, a web application framework providing
classes for dealing with preferences, compression, browser detection,
connection tracking, MIME, and more, is insufficiently validating and
escaping user provided input.  The Horde_Form_Type_image form element
allows to reuse a temporary filename on reuploads which are stored in a
hidden HTML field and then trusted without prior validation.  An attacker
can use this to overwrite arbitrary files on the system or to upload PHP
code and thus execute arbitrary code with the rights of the webserver.


For the oldstable distribution (etch), this problem has been fixed in
version 3.1.3-4etch6.

For the stable distribution (lenny), this problem has been fixed in
version 3.2.2+debian0-2+lenny1.

For the testing distribution (squeeze), this problem has been fixed in
version 3.3.5+debian0-1.

For the unstable distribution (sid), this problem has been fixed in
version 3.3.5+debian0-1.


We recommend that you upgrade your horde3 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
- -------------------------------

Debian (oldstable)
- ------------------

Oldstable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.

Source archives:

 http://security.debian.org/pool/updates/main/h/horde3/horde3_3.1.3-4etch6.diff.gz
   Size/MD5 checksum:    15869 3a74c50d35cf7f252cceec008e133299
 http://security.debian.org/pool/updates/main/h/horde3/horde3_3.1.3-4etch6.dsc
   Size/MD5 checksum:     1076 d4205b4f956ee00aa545f988f5d0206f
 http://security.debian.org/pool/updates/main/h/horde3/horde3_3.1.3.orig.tar.gz
   Size/MD5 checksum:  5232958 fbc56c608ac81474b846b1b4b7bb5ee7

Architecture independent packages:

 http://security.debian.org/pool/updates/main/h/horde3/horde3_3.1.3-4etch6_all.deb
   Size/MD5 checksum:  5278984 55bb80d663cad92d40ffcd15946379cf


Debian GNU/Linux 5.0 alias lenny
- --------------------------------

Debian (stable)
- ---------------

Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.

Source archives:

 http://security.debian.org/pool/updates/main/h/horde3/horde3_3.2.2+debian0-2+lenny1.dsc
   Size/MD5 checksum:     1388 e9bee230ea249ac6c8cd69bf4ad7c360
 http://security.debian.org/pool/updates/main/h/horde3/horde3_3.2.2+debian0.orig.tar.gz
   Size/MD5 checksum:  7180761 fb22a594bbdad07a0fbeef035a6d2f39
 http://security.debian.org/pool/updates/main/h/horde3/horde3_3.2.2+debian0-2+lenny1.diff.gz
   Size/MD5 checksum:    27183 2a72cd6eb73cd03aea3bf296dd17cbb5

Architecture independent packages:

 http://security.debian.org/pool/updates/main/h/horde3/horde3_3.2.2+debian0-2+lenny1_all.deb
   Size/MD5 checksum:  7232466 12e1b9fd01f35600f7fb3852025c8610


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