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[Full-disclosure] [USN-791-2] Moodle vulnerability

From: Kees Cook (keesubuntu.com)
Date: Wed Jun 24 2009 - 15:02:45 CDT


===========================================================
Ubuntu Security Notice USN-791-2 June 24, 2009
moodle vulnerability
CVE-2009-1171
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 9.04

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 9.04:
  moodle 1.9.4.dfsg-0ubuntu1.1

After a standard system upgrade you need to access the Moodle instance
and accept the database update to clear any invalid cached data.

Details follow:

Christian Eibl discovered that the TeX filter in Moodle allowed any
function to be used. An authenticated remote attacker could post
a specially crafted TeX formula to execute arbitrary TeX functions,
potentially reading any file accessible to the web server user, leading
to a loss of privacy. (CVE-2009-1171, MSA-09-0009)

Updated packages for Ubuntu 9.04:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/m/moodle/moodle_1.9.4.dfsg-0ubuntu1.1.diff.gz
      Size/MD5: 37358 a51bee20ca3560c1b390b1e12e42c5f1
    http://security.ubuntu.com/ubuntu/pool/main/m/moodle/moodle_1.9.4.dfsg-0ubuntu1.1.dsc
      Size/MD5: 1477 a842e53d8330a56f47d09a1c19f78f11
    http://security.ubuntu.com/ubuntu/pool/main/m/moodle/moodle_1.9.4.dfsg.orig.tar.gz
      Size/MD5: 12969234 6263f780d52114c8d6eced8308b66aa7

  Architecture independent packages:

    http://security.ubuntu.com/ubuntu/pool/main/m/moodle/moodle_1.9.4.dfsg-0ubuntu1.1_all.deb
      Size/MD5: 9663672 12cd163fe02d67cda7f972bb5744e3e1

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