Secunia Security Advisory - 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.
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TITLE:
Drupal Views Module Autocomplete User Information Disclosure Weakness
SECUNIA ADVISORY ID:
SA40444
VERIFY ADVISORY:
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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:
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http://secunia.com/advisories/40444/
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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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