<?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 ">=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>