Security Advisory SA40444 - Drupal Views Module Autocomplete User Information Disclosure Weakness

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Secunia Advisory SA40444

Drupal Views Module Autocomplete User Information Disclosure Weakness

Secunia Advisory

SA40444

Release Date

2010-07-06

Popularity

1,450 view

Comments

0 comments

Criticality level

Not critical

Impact

Exposure of sensitive information

Where

From remote

Authentication level

This information is available to Secunia VIM customers

Report reliability

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Solution Status

Unpatched

Systems affected

This information is available to Secunia VIM customers

Approve distribution

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Remediation status

Secunia VIM

Software:

Drupal Views Module 5.x

Drupal Views Module 6.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

No CVE references.

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

Deep Links
Links available to Secunia VIM customers

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Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Drupal Views Module Autocomplete User Information Disclosure Weakness

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Secunia Advisory SA40444

Drupal Views Module Autocomplete User Information Disclosure Weakness

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