CVE-2012-0024
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 2.73% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- maradns/maradns
- Source
- secalert@redhat.com
References
- http://openwall.com/lists/oss-security/2012/01/03/13Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2012/01/03/6Mailing List, Third Party Advisory
- http://samiam.org/blog/20111229.htmlPatch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=771428Issue Tracking, Third Party Advisory
- http://openwall.com/lists/oss-security/2012/01/03/13Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2012/01/03/6Mailing List, Third Party Advisory
- http://samiam.org/blog/20111229.htmlPatch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=771428Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.