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Debian Security Advisory DSA-2022-1                    security@debian.org
http://www.debian.org/security/                                 Nico Golde
March 23th, 2010                        http://www.debian.org/security/faq
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Package        : mediawiki
Vulnerability  : several
Problem type   : remote
Debian-specific: no
Debian bug     : none
CVE ID         : none assigned yet

Several vulnerabilities have been discovered in mediawiki, a web-based wiki
engine.  The following issues have been identified:

Insufficient input sanitization in the CSS validation code allows editors
to display external images in wiki pages.  This can be a privacy concern
on public wikis as it allows attackers to gather IP addresses and other
information by linking these images to a web server under their control.

Insufficient permission checks have been found in thump.php which can lead
to disclosure of image files that are restricted to certain users
(e.g. with img_auth.php).


For the stable distribution (lenny), this problem has been fixed in
version 1.12.0-2lenny4.

For the testing distribution (squeeze), this problem has been fixed in
version 1:1.15.2-1.

For the unstable distribution (sid), this problem has been fixed in
version 1:1.15.2-1.

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 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:

  mediawiki_1.12.0-2lenny4.dsc
    Size/MD5 checksum:     1549 cdd8466f627db0d230059bea9dc3bffa
  mediawiki_1.12.0.orig.tar.gz
    Size/MD5 checksum:  7188806 117a1360f440883a51f0ebca32906ea0
  mediawiki_1.12.0-2lenny4.diff.gz
    Size/MD5 checksum:    61443 fe024a07a1555b8aa813183b98de41da

Architecture independent packages:

  mediawiki_1.12.0-2lenny4_all.deb
    Size/MD5 checksum:  7231304 ec3604e69ac212e506df83c93e8fec14

alpha architecture (DEC Alpha)

  mediawiki-math_1.12.0-2lenny4_alpha.deb
    Size/MD5 checksum:    49794 92ea80eb2c975d2fa01e48385467eacd

amd64 architecture (AMD x86_64 (AMD64))

  mediawiki-math_1.12.0-2lenny4_amd64.deb
    Size/MD5 checksum:   156990 4a889dd13d45f38b3594a2dd47e9b59e

arm architecture (ARM)

  mediawiki-math_1.12.0-2lenny4_arm.deb
    Size/MD5 checksum:    49258 93033e2a83ec4436b07648a20f53ff60

armel architecture (ARM EABI)

  mediawiki-math_1.12.0-2lenny4_armel.deb
    Size/MD5 checksum:    49226 2814b384dc142da907fa80ac1af1d32a

hppa architecture (HP PA RISC)

  mediawiki-math_1.12.0-2lenny4_hppa.deb
    Size/MD5 checksum:    49774 29bfc18a66159684703604a192bc654a

i386 architecture (Intel ia32)

  mediawiki-math_1.12.0-2lenny4_i386.deb
    Size/MD5 checksum:   138776 109b418d062e4b954b98386ac36240d7

ia64 architecture (Intel ia64)

  mediawiki-math_1.12.0-2lenny4_ia64.deb
    Size/MD5 checksum:    49762 4eabbe35adb52e9b3c27ac3cebac3126

mipsel architecture (MIPS (Little Endian))

  mediawiki-math_1.12.0-2lenny4_mipsel.deb
    Size/MD5 checksum:    49772 243c3c339a86ea1bbca7fa58192fd364

powerpc architecture (PowerPC)

  mediawiki-math_1.12.0-2lenny4_powerpc.deb
    Size/MD5 checksum:   162814 82c66b11b70c174cc3b08e36cb4430be

s390 architecture (IBM S/390)

  mediawiki-math_1.12.0-2lenny4_s390.deb
    Size/MD5 checksum:    49246 7ffe72a079284372ae24c49e55b6170b

sparc architecture (Sun SPARC/UltraSPARC)

  mediawiki-math_1.12.0-2lenny4_sparc.deb
    Size/MD5 checksum:   158134 d96cefd805d0ced4b6477c244ebf2e06


  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-securitydists/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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