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National Cyber Awareness System

Vulnerability Summary for CVE-2012-2096

Original release date:08/14/2012
Last revised:08/15/2012
Source: US-CERT/NIST

Overview

The Fivestar module 6.x-1.x before 6.x-1.20 for Drupal does not properly validate voting data, which allows remote attackers to manipulate voting averages via a negative value in the vote parameter.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification

References to Advisories, Solutions, and Tools

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External Source: BID
Name: 52984
Type: Patch Information
Hyperlink:http://www.securityfocus.com/bid/52984
External Source: CONFIRM
Name: http://drupalcode.org/project/fivestar.git/commitdiff/75dba2c
Type: Patch Information; Exploit
Hyperlink:http://drupalcode.org/project/fivestar.git/commitdiff/75dba2c
External Source: MISC
Name: http://drupal.org/node/1528614
Type: Advisory; Patch Information
Hyperlink:http://drupal.org/node/1528614
External Source: CONFIRM
Name: http://drupal.org/node/1528600
Type: Patch Information
Hyperlink:http://drupal.org/node/1528600
External Source: MLIST
Name: [oss-security] 20120411 Re: CVE Request for Drupal Contributed Advisories on 2012-04-11
Hyperlink:http://www.openwall.com/lists/oss-security/2012/04/12/2
External Source: MLIST
Name: [oss-security] 20120411 CVE Request for Drupal Contributed Advisories on 2012-04-11
Hyperlink:http://www.openwall.com/lists/oss-security/2012/04/11/4
External Source: SECUNIA
Name: 48788
Type: Advisory
Hyperlink:http://secunia.com/advisories/48788

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageAND
spacerspacerNav control imageOR
spacerspacerline trunkNav control image* cpe:/a:lullabot:fivestar_module_for_drupal:6.x-1.x
spacerspacerline trunkNav control image* cpe:/a:lullabot:fivestar_module_for_drupal:6.x-1.20
spacerspacerNav control imageOR
spacerspacerspacerNav control imagecpe:/a:drupal:drupal:-
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2096