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Secunia Security Advisory 39681

Secunia Security Advisory 39681
Posted May 4, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Some vulnerabilities have been discovered in the DJ-Classifieds component for Joomla!, which can be exploited by malicious users to conduct script insertion attacks and compromise a vulnerable system.

tags | advisory, vulnerability
MD5 | c9d6e75df4efea07e64f8562582ab516

Secunia Security Advisory 39681

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TITLE:
Joomla! DJ-Classifieds Component Script Insertion and File Upload
Vulnerabilities

SECUNIA ADVISORY ID:
SA39681

VERIFY ADVISORY:
http://secunia.com/advisories/39681/

DESCRIPTION:
Some vulnerabilities have been discovered in the DJ-Classifieds
component for Joomla!, which can be exploited by malicious users to
conduct script insertion attacks and compromise a vulnerable system.

1) Input passed via the "description" parameter to index.php (when
"option" is set to "com_djclassifieds" and "view" is set to
"additem") is not properly sanitised before being displayed to the
user. This can be exploited to insert arbitrary HTML and script code,
which will be executed in a user's browser session in context of an
affected site when the malicious data is being viewed.

2) A vulnerability is caused due to the application improperly
validating uploaded files. This can be exploited to execute arbitrary
PHP code by uploading a malicious PHP script with multiple
extensions.

Successful exploitation of this vulnerability requires that Apache is
not configured to handle the mime-type for files with an e.g. "pjpeg"
extension.

The vulnerabilities are confirmed in version 0.9.1. Other versions
may also be affected.

SOLUTION:
Grant only trusted users access to the affected component.

PROVIDED AND/OR DISCOVERED BY:
Sid3^effects

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About:
This Advisory was delivered by Secunia as a free service to help
private users 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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