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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200504-04.xml')
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diff --git a/xml/htdocs/security/en/glsa/glsa-200504-04.xml b/xml/htdocs/security/en/glsa/glsa-200504-04.xml new file mode 100644 index 00000000..a9cf3065 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200504-04.xml @@ -0,0 +1,69 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200504-04"> + <title>mit-krb5: Multiple buffer overflows in telnet client</title> + <synopsis> + The mit-krb5 telnet client is vulnerable to two buffer overflows, which + could allow a malicious telnet server operator to execute arbitrary code. + </synopsis> + <product type="ebuild">telnet</product> + <announced>April 06, 2005</announced> + <revised>April 06, 2005: 01</revised> + <bug>87145</bug> + <access>remote</access> + <affected> + <package name="app-crypt/mit-krb5" auto="yes" arch="*"> + <unaffected range="ge">1.3.6-r2</unaffected> + <vulnerable range="lt">1.3.6-r2</vulnerable> + </package> + </affected> + <background> + <p> + The MIT Kerberos 5 implementation provides a command line telnet + client which is used for remote login via the telnet protocol. + </p> + </background> + <description> + <p> + A buffer overflow has been identified in the env_opt_add() + function, where a response requiring excessive escaping can cause a + heap-based buffer overflow. Another issue has been identified in the + slc_add_reply() function, where a large number of SLC commands can + overflow a fixed size buffer. + </p> + </description> + <impact type="normal"> + <p> + Successful exploitation would require a vulnerable user to connect + to an attacker-controlled telnet host, potentially executing arbitrary + code with the permissions of the telnet user on the client. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All mit-krb5 users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=app-crypt/mit-krb5-1.3.6-r2"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0468">CAN-2005-0468</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0469">CAN-2005-0469</uri> + <uri link="http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2005-001-telnet.txt">MITKRB5-SA-2005-001</uri> + </references> + <metadata tag="submitter" timestamp="Fri, 1 Apr 2005 09:42:26 +0000"> + koon + </metadata> + <metadata tag="bugReady" timestamp="Wed, 6 Apr 2005 09:05:02 +0000"> + koon + </metadata> +</glsa> |