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TITLE:
Drupal Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA49012

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49012/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49012

RELEASE DATE:
2012-05-03

DISCUSS ADVISORY:
http://secunia.com/advisories/49012/#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/49012/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=49012

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 weakness, a security issue, and multiple vulnerabilities have been
reported in Drupal, which can be exploited by malicious users to
disclose sensitive information, bypass certain security restrictions,
and cause a DoS (Denial of Service).

1) A weakness is caused due to inefficient text matching pattern and
can be exploited to exhaust memory or cause a high CPU load via
specially crafted strings passed to the filter system e.g. when
posting comments or forum topics.

2) An error due to the application not properly validating the
destination for submitted forms can be exploited to redirect
submission of sensitive data (e.g. login credentials) to a malicious
website.

3) An error due to the application not properly validating user
permissions when displaying the forum overview page can be exploited
to expose certain metadata of unpublished forum posts.

4) An error due to the application not properly validating user
access to cached derivatives of users' private images can be
exploited to gain access to derivatives of otherwise restricted
images.

5) An error due to the application not properly validating user
access to each node in the list of nodes can be exploited to gain
access to otherwise restricted nodes.

Successful exploitation of this vulnerability requires the "view
content overview" permission and a contributed node access module.

The vulnerabilities are reported in 7.x versions prior to 7.13.

SOLUTION:
Update to version 7.13.

PROVIDED AND/OR DISCOVERED BY:
2) Reported by the vendor.

The vendor credits:
1) Jay Wineinger and Lin Clark
3) Glen W
4) frega, Andreas Gonell, Jeremy Meier, and Xenza
5) Jennifer Hodgdon

ORIGINAL ADVISORY:
DRUPAL-SA-CORE-2012-002:
http://drupal.org/node/1557938

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
private users keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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