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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200901-15">
<title>Net-SNMP: Denial of Service</title>
<synopsis>
A vulnerability in Net-SNMP could lead to a Denial of Service.
</synopsis>
<product type="ebuild">net-snmp</product>
<announced>2009-01-21</announced>
<revised count="01">2009-01-21</revised>
<bug>245306</bug>
<access>remote</access>
<affected>
<package name="net-analyzer/net-snmp" auto="yes" arch="*">
<unaffected range="ge">5.4.2.1</unaffected>
<vulnerable range="lt">5.4.2.1</vulnerable>
</package>
</affected>
<background>
<p>
Net-SNMP is a collection of tools for generating and retrieving SNMP
data.
</p>
</background>
<description>
<p>
Oscar Mira-Sanchez reported an integer overflow in the
netsnmp_create_subtree_cache() function in agent/snmp_agent.c when
processing GETBULK requests.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could send a specially crafted request to crash the
SNMP server. NOTE: The attacker needs to know the community string to
exploit this vulnerability.
</p>
</impact>
<workaround>
<p>
Restrict access to trusted entities only.
</p>
</workaround>
<resolution>
<p>
All Net-SNMP users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-analyzer/net-snmp-5.4.2.1"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4309">CVE-2008-4309</uri>
</references>
<metadata tag="requester" timestamp="2009-01-11T17:57:13Z">
p-y
</metadata>
<metadata tag="submitter" timestamp="2009-01-12T22:12:01Z">
p-y
</metadata>
<metadata tag="bugReady" timestamp="2009-01-12T22:12:09Z">
p-y
</metadata>
</glsa>