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TITLE:
Drupal Security Issue and Security Bypass Vulnerability

SECUNIA ADVISORY ID:
SA47796

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47796/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47796

RELEASE DATE:
2012-02-02

DISCUSS ADVISORY:
http://secunia.com/advisories/47796/#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/47796/

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=47796

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 security issue and a vulnerability have been reported in Drupal,
which can be exploited by malicious people to manipulate certain data
and bypass certain security restrictions.

1) The security issue is caused due to the OpenID module not properly
verifying the signature of Attribute Exchange (AX) information, which
can be exploited to manipulate AX information.

This security issue is reported in versions prior to 6.23 and
versions prior to 7.11.

2) An error in the File module when using certain field access
modules can be exploited to download private files which would
otherwise be restricted.

This vulnerability is reported in versions prior to 7.11.

SOLUTION:
Update to the latest version.

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

PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Rui Wang, Shuo Chen, and Xiao Feng Wang.
2) The vendor credits David Rothstein, Drupal Security Team, and
Sascha Grossenbacher.

ORIGINAL ADVISORY:
SA-CORE-2012-001:
http://drupal.org/node/1425084

OpenID:
http://openid.net/2011/05/05/attribute-exchange-security-alert/

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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Secunia NEVER sends attached files with advisories.
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