| <?xml version="1.0" encoding="UTF-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| <glsa id="201401-05"> |
| <title>ISC DHCP: Denial of Service</title> |
| <synopsis>A memory exhaustion vulnerability in ISC DHCP could lead to Denial |
| of Service. |
| </synopsis> |
| <product type="ebuild">dhcp</product> |
| <announced>January 06, 2014</announced> |
| <revised>January 06, 2014: 1</revised> |
| <bug>463848</bug> |
| <access>remote</access> |
| <affected> |
| <package name="net-misc/dhcp" auto="yes" arch="*"> |
| <unaffected range="ge">4.2.5_p1</unaffected> |
| <vulnerable range="lt">4.2.5_p1</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p>ISC DHCP is a Dynamic Host Configuration Protocol (DHCP) client/server.</p> |
| </background> |
| <description> |
| <p>ISC DHCP is vulnerable to a memory exhaustion attack involving regular |
| expressions sent by DHCP clients. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p>A remote attacker could send a specially crafted request from a |
| malicious or spoofed client, potentially leading to a Denial of Service |
| condition. |
| </p> |
| </impact> |
| <workaround> |
| <p>There is no known workaround at this time.</p> |
| </workaround> |
| <resolution> |
| <p>All ISC DHCP users should upgrade to the latest version:</p> |
| |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=net-misc/dhcp-4.2.5_p1" |
| </code> |
| |
| </resolution> |
| <references> |
| <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2494">CVE-2013-2494</uri> |
| </references> |
| <metadata tag="requester" timestamp="Tue, 03 Sep 2013 16:23:20 +0000"> |
| creffett |
| </metadata> |
| <metadata tag="submitter" timestamp="Mon, 06 Jan 2014 21:52:49 +0000"> |
| creffett |
| </metadata> |
| </glsa> |