<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200608-15"> <title>MIT Kerberos 5: Multiple local privilege escalation vulnerabilities</title> <synopsis> Some applications shipped with MIT Kerberos 5 are vulnerable to local privilege escalation. </synopsis> <product type="ebuild">MIT Kerberos 5</product> <announced>2006-08-10</announced> <revised count="01">2006-08-10</revised> <bug>143240</bug> <access>local</access> <affected> <package name="app-crypt/mit-krb5" auto="yes" arch="*"> <unaffected range="ge">1.4.3-r3</unaffected> <vulnerable range="lt">1.4.3-r3</vulnerable> </package> </affected> <background> <p> MIT Kerberos 5 is a suite of applications that implement the Kerberos network protocol. It is designed to provide strong authentication for client/server applications by using secret-key cryptography. </p> </background> <description> <p> Unchecked calls to setuid() in krshd and v4rcp, as well as unchecked calls to seteuid() in kftpd and in ksu, have been found in the MIT Kerberos 5 program suite and may lead to a local root privilege escalation. </p> </description> <impact type="high"> <p> A local attacker could exploit this vulnerability to execute arbitrary code with elevated privileges. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All MIT Kerberos 5 users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/mit-krb5-1.4.3-r3"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3083">CVE-2006-3083</uri> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3084">CVE-2006-3084</uri> </references> <metadata tag="requester" timestamp="2006-08-09T18:31:59Z"> jaervosz </metadata> <metadata tag="submitter" timestamp="2006-08-09T20:23:17Z"> daxomatic </metadata> <metadata tag="bugReady" timestamp="2006-08-10T14:34:58Z"> falco </metadata> </glsa>