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Secunia Security Advisory 35899

Secunia Security Advisory 35899
Posted Jul 23, 2009
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A weakness and a vulnerability have been discovered in Joomla!, which can be exploited by malicious people to disclose certain system information and compromise a vulnerable system.

tags | advisory
SHA-256 | 50b80bca2f0292c26a79b1a74f59690a0e8f170ded6a7198d5fdec11c5075716

Secunia Security Advisory 35899

Change Mirror Download
----------------------------------------------------------------------

Do you have VARM strategy implemented?

(Vulnerability Assessment Remediation Management)

If not, then implement it through the most reliable vulnerability
intelligence source on the market.

Implement it through Secunia.

For more information visit:
http://secunia.com/advisories/business_solutions/

Alternatively request a call from a Secunia representative today to
discuss how we can help you with our capabilities contact us at:
sales@secunia.com

----------------------------------------------------------------------

TITLE:
Joomla! Information Disclosure and File Upload Vulnerability

SECUNIA ADVISORY ID:
SA35899

VERIFY ADVISORY:
http://secunia.com/advisories/35899/

DESCRIPTION:
A weakness and a vulnerability have been discovered in Joomla!, which
can be exploited by malicious people to disclose certain system
information and compromise a vulnerable system.

1) A vulnerability exists due to the TinyMCE editor including the
tiny browser plugin, which allows uploading files without
authentication. This can be exploited to e.g. upload files with
multiple extensions and execute arbitrary PHP code.

2) A weakness exists due to certain files missing checks for JEXEC,
which can be exploited to disclose internal path information.

The vulnerability is confirmed in version 1.5.12, the weakness is
reported in version 1.5.12 and all previous 1.5.x releases.

SOLUTION:
Update to version 1.5.13.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1) Patrice Lazareff
2) Juan Galiana Lara (Internet Security Auditors)

ORIGINAL ADVISORY:
http://developer.joomla.org/security/news/301-20090722-core-file-upload.html
http://developer.joomla.org/security/news/302-20090722-core-missing-jexec-check.html

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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