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TITLE:
Joomla! JE Story Submit Component File Upload Vulnerability

SECUNIA ADVISORY ID:
SA47710

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47710/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47710

RELEASE DATE:
2012-01-26

DISCUSS ADVISORY:
http://secunia.com/advisories/47710/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/47710/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
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https://ca.secunia.com/?page=viewadvisory&vuln_id=47710

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been discovered in the JE Story Submit component
for Joomla!, which can be exploited by malicious people to compromise
a vulnerable system.

The vulnerability is caused due to the "update()" function in the
components/com_jesubmit/controllers/request_get.php script improperly
validating the extension of an uploaded file. This can be exploited to
e.g. upload and execute arbitrary PHP files by passing an allowed MIME
media type in the HTTP headers.

The vulnerability is confirmed in version 1.9.3. Other versions may
also be affected.

SOLUTION:
Restrict access to the upload folder (e.g. via .htaccess).

PROVIDED AND/OR DISCOVERED BY:
Robert Cooper.

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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