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CVE Database


Impact: Low
Public: 2012-09-12
Bugzilla: 856766: CVE-2012-3955 dhcp: reduced expiration time of an IPv6 lease may cause dhcpd to crash
IAVA: 2012-B-0092


The MITRE CVE dictionary describes this issue as:

ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced.

Find out more about CVE-2012-3955 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 2.9
Base Metrics: AV:A/AC:M/Au:N/C:N/I:N/A:P
Access Vector: Adjacent Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (dhcp) RHSA-2013:0504 February 20, 2013

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.