Vulnerability CVE-2012-0024
Published: 2012-01-07   Modified: 2012-02-13

Description:
MaraDNS before 1.3.07.12 and 1.4.x before 1.4.08 computes hash values for DNS data without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted queries with the Recursion Desired (RD) bit set.

Type:

CWE-20

 (Improper Input Validation)

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

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
None
Partial
Affected software
Maradns -> Maradns 

 References:
http://samiam.org/blog/20111229.html
https://bugzilla.redhat.com/show_bug.cgi?id=771428
http://openwall.com/lists/oss-security/2012/01/03/6
http://openwall.com/lists/oss-security/2012/01/03/13
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