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Debian Security Advisory DSA-1871-2                  security@debian.org
https://www.debian.org/security/                      Steffen Joeris
August 27, 2009                       https://www.debian.org/security/faq
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Package        : wordpress               
Vulnerability  : several vulnerabilities 
Problem type   : remote                  
Debian-specific: no                      
CVE IDs        : CVE-2008-6762 CVE-2008-6767 CVE-2009-2334 CVE-2009-2854
                 CVE-2009-2851 CVE-2009-2853 CVE-2008-1502 CVE-2008-4106
                 CVE-2008-4769 CVE-2008-4796 CVE-2008-5113              
Debian Bugs    : 531736 536724 504243 500115 504234 504771              


The previous wordpress update introduced a regression when fixing
CVE-2008-4769 due to a function that was not backported with the patch.
Please note that this regression only affects the oldstable distribution
(etch). For reference the original advisory text follows.


Several vulnerabilities have been discovered in wordpress, weblog
manager. The Common Vulnerabilities and Exposures project identifies the
following problems:                                                     

CVE-2008-6762

It was discovered that wordpress is prone to an open redirect 
vulnerability which allows remote attackers to conduct phishing atacks.

CVE-2008-6767

It was discovered that remote attackers had the ability to trigger an
application upgrade, which could lead to a denial of service attack. 

CVE-2009-2334

It was discovered that wordpress lacks authentication checks in the                                                                                                                
plugin configuration, which might leak sensitive information.                                                                                                                      

CVE-2009-2854

It was discovered that wordpress lacks authentication checks in various
actions, thus allowing remote attackers to produce unauthorised edits or
additions.                                                              

CVE-2009-2851

It was discovered that the administrator interface is prone to a
cross-site scripting attack.                                    

CVE-2009-2853

It was discovered that remote attackers can gain privileges via certain
direct requests.                                                       

CVE-2008-1502

It was discovered that the _bad_protocol_once function in KSES, as used
by wordpress, allows remote attackers to perform cross-site scripting  
attacks.                                                               

CVE-2008-4106

It was discovered that wordpress lacks certain checks around user
information, which could be used by attackers to change the password of
a user.                                                                

CVE-2008-4769

It was discovered that the get_category_template function is prone to a
directory traversal vulnerability, which could lead to the execution of
arbitrary code.                                                        

CVE-2008-4796

It was discovered that the _httpsrequest function in the embedded snoopy
version is prone to the execution of arbitrary commands via shell       
metacharacters in https URLs.                                           

CVE-2008-5113

It was discovered that wordpress relies on the REQUEST superglobal array
in certain dangerous situations, which makes it easier to perform       
attacks via crafted cookies.                                            


For the stable distribution (lenny), these problems have been fixed in
version 2.5.1-11+lenny1.                                              

For the oldstable distribution (etch), these problems have been fixed in
version 2.0.10-1etch5.                                                  

For the testing distribution (squeeze) and the unstable distribution
(sid), these problems have been fixed in version 2.8.3-1.           


We recommend that you upgrade your wordpress 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:

  https://security.debian.org/pool/updates/main/w/wordpress/wordpress_2.0.10-1etch5.dsc
    Size/MD5 checksum:      607 303f4e7e168c04dddd64ae2b7300337e
  https://security.debian.org/pool/updates/main/w/wordpress/wordpress_2.0.10.orig.tar.gz
    Size/MD5 checksum:   520314 e9d5373b3c6413791f864d56b473dd54
  https://security.debian.org/pool/updates/main/w/wordpress/wordpress_2.0.10-1etch5.diff.gz
    Size/MD5 checksum:    51120 9dcee118356aa6950bd4b994b6c11def

Architecture independent packages:

  https://security.debian.org/pool/updates/main/w/wordpress/wordpress_2.0.10-1etch5_all.deb
    Size/MD5 checksum:   521174 18a19046fd5707ea64745818a5a673f6


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

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For apt-get: deb https://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 https://packages.debian.org/<pkg>
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