CVE Database


Impact: Moderate
Public: 2009-07-14
Bugzilla: 509845: CVE-2009-1892 dhcp: DoS/abort in some configs with client-identifier and hardware address host specifications


The MITRE CVE dictionary describes this issue as:

dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests.

Find out more about CVE-2009-1892 from the MITRE CVE dictionary and NIST NVD.


Not vulnerable. Red Hat Enterprise Linux 3, 4, and 5 provide earlier versions of ISC DHCP which are not vulnerable to this issue.

CVSS v2 metrics

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

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

External References

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