Date: Sat, 22 Aug 2020 10:08:38 +0000 (UTC) From: Matthias Andree <mandree@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r545757 - head/security/vuxml Message-ID: <202008221008.07MA8cTv034503@repo.freebsd.org>
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Author: mandree Date: Sat Aug 22 10:08:38 2020 New Revision: 545757 URL: https://svnweb.freebsd.org/changeset/ports/545757 Log: vuln.xml: add chrony < 3.5.1 pidfile symlink vulnerability Security: 719f06af-e45e-11ea-95a1-c3b8167b8026 Security: CVE-2020-14367 Modified: head/security/vuxml/vuln.xml Modified: head/security/vuxml/vuln.xml ============================================================================== --- head/security/vuxml/vuln.xml Sat Aug 22 09:53:14 2020 (r545756) +++ head/security/vuxml/vuln.xml Sat Aug 22 10:08:38 2020 (r545757) @@ -58,6 +58,40 @@ Notes: * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">; + <vuln vid="719f06af-e45e-11ea-95a1-c3b8167b8026"> + <topic>chrony <= 3.5.1 data corruption through symlink vulnerability writing the pidfile</topic> + <affects> + <package> + <name>chrony</name> + <range><lt>3.5.1</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml">; + <p>Miroslav Lichvar reports:</p> + <blockquote cite="https://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2020/08/msg00000.html">; + <p>chrony-3.5.1 [...] fixes a security issue in writing of the pidfile.</p> + <p>When chronyd is configured to save the pidfile in a directory where the + chrony user has write permissions (e.g. /var/run/chrony - the default + since chrony-3.4), an attacker that compromised the chrony user account + could create a symbolic link at the location of the pidfile to make + chronyd starting with root privileges follow the symlink and write its + process ID to a file for which the chrony user doesn't have write + permissions, causing a denial of service, or data loss.</p> + <p>This issue was reported by Matthias Gerstner of SUSE.</p> + </blockquote> + </body> + </description> + <references> + <url>https://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2020/08/msg00000.html</url>; + <cvename>CVE-2020-14367</cvename> + </references> + <dates> + <discovery>2020-08-06</discovery> + <entry>2020-08-22</entry> + </dates> + </vuln> + <vuln vid="2ed7e8db-e234-11ea-9392-002590bc43be"> <topic>sysutils/openzfs-kmod -- critical permissions issues</topic> <affects>
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