CVE-2011-5055

medium

Description

MaraDNS 1.3.07.12 and 1.4.08 computes hash values for DNS data without properly 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. NOTE: this issue exists because of an incomplete fix for CVE-2012-0024.

References

http://openwall.com/lists/oss-security/2012/01/03/13

http://openwall.com/lists/oss-security/2012/01/03/6

http://samiam.org/blog/20111230.html

https://bugzilla.redhat.com/show_bug.cgi?id=771428

Details

Source: MITRE

Published: 2012-01-08

Updated: 2012-01-09

Type: CWE-20

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM