05 July 2009
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT Security Bulletin ASB-2009.1002 Joomla! 6 July 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Joomla! 1.5.11 and prior Operating System: UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Cross-site Scripting -- Remote with User Interaction Read-only Data Access -- Remote/Unauthenticated Resolution: Upgrade Member content until: Wednesday, August 5 2009 OVERVIEW Joomla! 1.5.12 has been released correcting three (3) security vulnerabilities.  IMPACT Two cross site scripting vulnerabilities were found in the Joomla frontend and an information disclosure issue was exposed in the Admin client. The cross site scripting weaknesses are due to improper parsing of HTTP_REFERRER and PHP_SELF. [2, 3] Path information could be exposed due to certain files being missed from the JEXEC check.  MITIGATION These vulnerabilities are fixed in version 1.5.12 available from Joomla!'s website.  REFERENCES  Joomla! 1.5.12 Released http://www.joomla.org/announcements/release-news/   - Core - Frontend XSS - HTTP_REFERER not properly filtered http://developer.joomla.org/security/news/298-20090604-core-frontend-xss-httpreferer-not-properly-filtered.html   - Core - Frontend XSS - PHP_SELF not properly filtered http://developer.joomla.org/security/news/299-20090605-core-frontend-xss-phpself-not-properly-filtered.html   - Core - Missing JEXEC Check http://developer.joomla.org/security/news/300-20090606-core-missing-jexec-check.html AusCERT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: email@example.com Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFKUUe0NVH5XJJInbgRAmqxAKCAKIQ4h0w0MstQ8i77kq3aTu6LUwCfYqY5 pCiy0jtIT/HMQ2Ix5doXo4c= =fP/q -----END PGP SIGNATURE-----