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TITLE:
Drupal Views Module Autocomplete User Information Disclosure Weakness

SECUNIA ADVISORY ID:
SA40444

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40444/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40444

RELEASE DATE:
2010-07-07

DISCUSS ADVISORY:
http://secunia.com/advisories/40444/#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/40444/

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=40444

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:
Justin C. Klein Keane has discovered a weakness in the Views module
for Drupal, which can be exploited by malicious people to disclose
potentially sensitive information.

The weakness caused due an error in the
"views_ajax_autocomplete_user()" function in
modules/views/includes/ajax.inc, which does not properly check for
access permissions before querying for usernames. This can be
exploited to enumerate valid usernames.

The weakness is confirmed in version 6.x-2.11 and also reported in
version 5.x-1.8. Other versions may also be affected.

SOLUTION:
Edit the source code to implement proper access restrictions.

PROVIDED AND/OR DISCOVERED BY:
Justin C. Klein Keane

ORIGINAL ADVISORY:
http://www.madirish.net/?article=465

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
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vulnerabilities.

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