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From: Cy Schubert <cy@FreeBSD.org>
Date: Fri, 7 Feb 2020 19:38:45 +0000 (UTC)
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Subject: svn commit: r525501 - head/security/vuxml
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Author: cy
Date: Fri Feb  7 19:38:45 2020
New Revision: 525501
URL: https://svnweb.freebsd.org/changeset/ports/525501

Log:
  Document ksh93 CVE-2019-14868: certain environment variables interpreted
  as arithmetic expressions on startup, leading to code injection.
  
  Reported by:   Siteshwar Vashisht <svashisht@redhat.com>
  MFH:		2020Q1
  Security:	CVE-2019-14868
  		https://bugzilla.redhat.com/show_bug.cgi?id=1757324
  		https://access.redhat.com/security/cve/CVE-2019-14868

Modified:
  head/security/vuxml/vuln.xml

Modified: head/security/vuxml/vuln.xml
==============================================================================
--- head/security/vuxml/vuln.xml	Fri Feb  7 19:38:40 2020	(r525500)
+++ head/security/vuxml/vuln.xml	Fri Feb  7 19:38:45 2020	(r525501)
@@ -58,6 +58,42 @@ Notes:
   * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
 -->
 <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+  <vuln vid="8b20d716-49df-11ea-9f7b-206a8a720317">
+    <topic>ksh93 -- certain environment variables interpreted as arithmetic expressions on startup, leading to code injection</topic>
+    <affects>
+      <package>
+	<name>ksh93</name>
+	<range><lt>2020.0.1_1,1</lt></range>
+      </package>
+      <package>
+	<name>ksh93-devel</name>
+	<range><lt>2020.02.07</lt></range>
+      </package>
+    </affects>
+    <description>
+      <body xmlns="http://www.w3.org/1999/xhtml">
+	<p>Upstream ksh93 maintainer Siteshwar Vashisht reports:</p>
+	<blockquote cite="https://access.redhat.com/security/cve/CVE-2019-14868">
+	  <p>A flaw was found in the way ksh evaluates certain environment
+	    variables. An attacker could use this flaw to override or bypass
+	    environment restrictions to execute shell commands. Services and
+	    applications that allow remote unauthenticated attackers to
+	    provide one of those environment variables could allow them to
+	    exploit this issue remotely.</p>
+	</blockquote>
+      </body>
+    </description>
+    <references>
+      <url>https://bugzilla.redhat.com/show_bug.cgi?id=1757324</url>
+      <url>https://access.redhat.com/security/cve/CVE-2019-14868</url>
+      <url>https://access.redhat.com/errata/RHSA-2020:0431</url>
+    </references>
+    <dates>
+      <discovery>2019-10-01</discovery>
+      <entry>2020-02-07</entry>
+    </dates>
+  </vuln>
+
   <vuln vid="e7bc2b99-485a-11ea-bff9-9c5c8e75236a">
     <topic>clamav -- Denial-of-Service (DoS) vulnerability</topic>
     <affects>