[ GLSA 200808-05 ] ISC DHCP: Denial of Service

[GLSA]

Gentoo Linux Security Advisory

Title: ISC DHCP: Denial of Service (GLSA 200808-05)
Severity: normal
Exploitable: remote
Date: August 06, 2008
Bug(s): #227135
ID: 200808-05

Synopsis

A Denial of Service vulnerability was discovered in ISC DHCP.

Background

ISC DHCP is ISC's reference implementation of all aspects of the Dynamic Host Configuration Protocol.

Affected Packages

Package: net-misc/dhcp
Vulnerable: < 3.1.1
Unaffected: >= 3.1.1
Architectures: All supported architectures


Description

A buffer overflow error was found in ISC DHCP server, that can only be exploited under unusual server configurations where the DHCP server is configured to provide clients with a large set of DHCP options.

Impact

A remote attacker could exploit this vulnerability to cause a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All ISC DHCP users should upgrade to the latest version: