Public Date:
842420: CVE-2012-3571 dhcp: DoS due to error in handling malformed client identifiers

The MITRE CVE dictionary describes this issue as:

ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.

Find out more about CVE-2012-3571 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 3.3
Base Metrics AV:A/AC:L/Au:N/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Low
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-2012:1141 2012-08-03
Red Hat Enterprise Linux version 5 (dhcp) RHSA-2012:1140 2012-08-03


Upstream acknowledges Markus Hietava of Codenomicon CROSS project as the original reporter of this issue.