CVE-2016-2774

Impact:
Moderate
Public Date:
2016-03-07
IAVA:
2016-B-0044
CWE:
CWE-400
Bugzilla:
1315259: CVE-2016-2774 dhcp: unclosed TCP connections to OMAPI or failover ports can cause DoS
A resource-consumption flaw was discovered in the DHCP server. dhcpd did not restrict the number of open connections to OMAPI and failover ports. A remote attacker able to establish TCP connections to one of these ports could use this flaw to cause dhcpd to exit unexpectedly, stop responding requests, or exhaust system sockets (denial of service).

Find out more about CVE-2016-2774 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 2.6
Base Metrics AV:N/AC:H/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity High
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 7 (dhcp) RHSA-2016:2590 2016-11-03

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 dhcp Fix deferred
Red Hat Enterprise Linux 5 dhcp Will not fix

Acknowledgements

Red Hat would like to thank ISC for reporting this issue.

External References

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