Date: Wed, 17 Oct 2012 23:47:28 +0000 (UTC) From: Jason Helfman <jgh@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r306041 - head/security/vuxml Message-ID: <201210172347.q9HNlSmI091373@svn.freebsd.org>
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Author: jgh Date: Wed Oct 17 23:47:27 2012 New Revision: 306041 URL: http://svn.freebsd.org/changeset/ports/306041 Log: - document xlockmore issue, 57652765-18aa-11e2-8382-00a0d181e71d, CVE-2012-4524 Feature safe: yes Modified: head/security/vuxml/vuln.xml Modified: head/security/vuxml/vuln.xml ============================================================================== --- head/security/vuxml/vuln.xml Wed Oct 17 22:08:29 2012 (r306040) +++ head/security/vuxml/vuln.xml Wed Oct 17 23:47:27 2012 (r306041) @@ -51,6 +51,43 @@ Note: Please add new entries to the beg --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">; + <vuln vid="57652765-18aa-11e2-8382-00a0d181e71d"> + <topic>xlockmore -- local exploit</topic> + <affects> + <package> + <name>xlockmore</name> + <name>ja-xlockmore</name> + <range><lt>5.40_1</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml">; + <p>Ignatios Souvatzis of NetBSD reports:</p> + <blockquote cite="http://www.openwall.com/lists/oss-security/2012/10/17/10">; + <p>localtime accesses a (in the discovered case) 64bit value, which + is likely not to be valid, and returns a null pointer as an error + indication. The code in dclock.c does not check for this but, + depending on additional command-line options, either dereferences + the pointer or passes it to strftime() unconditionally, which in + turn triggers a segmentation fault, terminating the program and + leaving the terminal unlocked.</p> + <p>While this is unexpected, the dangerous case is where + "xlockmore -mode random" calls the mode "dclock" after a while, + when the user has left the terminal, not noticing that it will + (eventually) be unlocked.</p> + </blockquote> + </body> + </description> + <references> + <cvename>CVE-2012-4524</cvename> + <mlist>http://www.openwall.com/lists/oss-security/2012/10/17/10</mlist>; + </references> + <dates> + <discovery>2012-10-17</discovery> + <entry>2012-10-17</entry> + </dates> + </vuln> + <vuln vid="e11955ca-187c-11e2-be36-00215af774f0"> <topic>xinetd -- attackers can bypass access restrictions if tcpmux-servers service enabled</topic> <affects>
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