Vulnerability CVE-2012-2096
Published: 2012-08-14   Modified: 2012-08-15

Description:
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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Lullabot -> Fivestar module for drupal 

 References:
http://www.securityfocus.com/bid/52984
http://drupalcode.org/project/fivestar.git/commitdiff/75dba2c
http://drupal.org/node/1528614
http://drupal.org/node/1528600
http://www.openwall.com/lists/oss-security/2012/04/12/2
http://www.openwall.com/lists/oss-security/2012/04/11/4
http://secunia.com/advisories/48788
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