svn commit: r380553 - head/security/vuxml

Thu Mar 5 22:10:27 UTC 2015

Author: mandree
Date: Thu Mar  5 22:10:26 2015
New Revision: 380553
URL: https://svnweb.freebsd.org/changeset/ports/380553
QAT: https://qat.redports.org/buildarchive/r380553/

Log:
  Document recently fixed PuTTY < 0.64 vuln. CVE-2015-2157.

Modified:
  head/security/vuxml/vuln.xml

Modified: head/security/vuxml/vuln.xml
==============================================================================

--- head/security/vuxml/vuln.xml	Thu Mar  5 21:23:01 2015	(r380552)
+++ head/security/vuxml/vuln.xml	Thu Mar  5 22:10:26 2015	(r380553)
@@ -57,6 +57,44 @@ Notes:
 
 -->
 <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+  <vuln vid="92fc2e2b-c383-11e4-8ef7-080027ef73ec">
+    <topic>PuTTY -- fails to scrub private keys from memory after use</topic>
+    <affects>
+      <package>
+	<name>putty</name>
+	<range><lt>0.64</lt></range>
+      </package>
+    </affects>
+    <description>
+      <body xmlns="http://www.w3.org/1999/xhtml">
+	<p>Simon Tatham reports:</p>
+	<blockquote cite="http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped-2.html">
+	  <p>When PuTTY has sensitive data in memory and has no further need for
+	    it, it should wipe the data out of its memory, in case malware later
+	    gains access to the PuTTY process or the memory is swapped out to
+	    disk or written into a crash dump file. An obvious example of this
+	    is the password typed during SSH login; other examples include
+	    obsolete session keys, public-key passphrases, and the private
+	    halves of public keys.</p>
+	    <p>PuTTY 0.63 and earlier versions, after loading a private key
+	      from a disk file, mistakenly leak a memory buffer containing a
+	      copy of the private key, in the function ssh2_load_userkey. The
+	      companion function ssh2_save_userkey (only called by PuTTYgen) can
+	      also leak a copy, but only in the case where the file it tried to
+	      save to could not be created.</p>
+	</blockquote>
+      </body>
+    </description>
+    <references>
+      <url>http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped-2.html</url>
+      <cvename>CVE-2015-2157</cvename>
+    </references>
+    <dates>
+      <discovery>2015-02-28</discovery>
+      <entry>2015-03-05</entry>
+    </dates>
+  </vuln>
+
   <vuln vid="8505e013-c2b3-11e4-875d-000c6e25e3e9">
     <topic>chromium -- multiple vulnerabilities</topic>
     <affects>
