GLSA-201401-05 : ISC DHCP: Denial of Service

Medium Nessus Plugin ID 71812


The remote Gentoo host is missing one or more security-related patches.


The remote host is affected by the vulnerability described in GLSA-201401-05 (ISC DHCP: Denial of Service)

ISC DHCP is vulnerable to a memory exhaustion attack involving regular expressions sent by DHCP clients.
Impact :

A remote attacker could send a specially crafted request from a malicious or spoofed client, potentially leading to a Denial of Service condition.
Workaround :

There is no known workaround at this time.


All ISC DHCP users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-misc/dhcp-4.2.5_p1'

See Also

Plugin Details

Severity: Medium

ID: 71812

File Name: gentoo_GLSA-201401-05.nasl

Version: $Revision: 1.4 $

Type: local

Published: 2014/01/07

Modified: 2015/04/13

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.9

Vector: CVSS2#AV:N/AC:H/Au:S/C:N/I:N/A:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:dhcp, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 2014/01/06

Reference Information

CVE: CVE-2013-2494

OSVDB: 91803

GLSA: 201401-05