You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

55 lines
1.7 KiB

<?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>2014-01-06</announced>
<revised count="1">2014-01-06</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 "&gt;=net-misc/dhcp-4.2.5_p1"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2494">CVE-2013-2494</uri>
</references>
<metadata tag="requester" timestamp="2013-09-03T16:23:20Z">
creffett
</metadata>
<metadata tag="submitter" timestamp="2014-01-06T21:52:49Z">
creffett
</metadata>
</glsa>