svn commit: r1871683 - in /xerces/c/trunk/doc: html/secadv/CVE-2018-1311.txt secadv.xml

[sc...@apache.org]

Author: scantor
Date: Mon Dec 16 23:05:51 2019
New Revision: 1871683

URL: http://svn.apache.org/viewvc?rev=1871683&view=rev
Log:
Add CVE-2018-1311 advisory and web site note.

Added:
    xerces/c/trunk/doc/html/secadv/CVE-2018-1311.txt
Modified:
    xerces/c/trunk/doc/secadv.xml

Added: xerces/c/trunk/doc/html/secadv/CVE-2018-1311.txt
URL: http://svn.apache.org/viewvc/xerces/c/trunk/doc/html/secadv/CVE-2018-1311.txt?rev=1871683&view=auto
==============================================================================
--- xerces/c/trunk/doc/html/secadv/CVE-2018-1311.txt (added)
+++ xerces/c/trunk/doc/html/secadv/CVE-2018-1311.txt Mon Dec 16 23:05:51 2019
@@ -0,0 +1,49 @@
+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA512
+
+CVE-2018-1311: Apache Xerces-C use-after-free vulnerability processing external DTD
+
+Severity: High
+
+Vendor: The Apache Software Foundation
+
+Versions Affected: Apache Xerces-C XML Parser library (all known versions)
+
+Description: The Xerces-C XML parser contains a use-after-free error
+triggered during the scanning of external DTDs.
+
+The bug allows for a denial of service attack in applications that allow
+external DTD processing and do not prevent external DTD usage, and could
+conceivably result in remote code execution if the heap were groomed.
+
+Mitigation: This flaw has not been addressed in the maintained version
+of the library and has no current mitigation other than to disable DTD
+processing. This can be accomplished via the DOM using a standard parser
+feature, or via SAX using the XERCES_DISABLE_DTD environment variable.
+
+Applications should strongly consider blocking remote entity resolution
+and/or disabling of DTD processing in light of the continued
+identification of bugs in this area of the library.
+
+Credit: This issue was reported by the UK's National Cyber Security
+Centre (NCSC).
+
+References:
+http://xerces.apache.org/xerces-c/secadv/CVE-2018-1311.txt
+
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Modified: xerces/c/trunk/doc/secadv.xml
URL: http://svn.apache.org/viewvc/xerces/c/trunk/doc/secadv.xml?rev=1871683&r1=1871682&r2=1871683&view=diff
==============================================================================
--- xerces/c/trunk/doc/secadv.xml (original)
+++ xerces/c/trunk/doc/secadv.xml Mon Dec 16 23:05:51 2019
@@ -20,6 +20,17 @@
 
 <s1 title="Security Advisories">
 
+<s2 title="Unaddressed Advisories">
+
+<p>The following security advisories apply to current versions of
+Xerces-C and have not been fixed, in most cases due to insufficient
+expertise or resources:</p>
+
+<ul>
+  <li><jump href="secadv/CVE-2018-1311.txt">CVE-2018-1311: Apache Xerces-C use-after-free vulnerability scanning external DTD</jump></li>
+</ul>
+</s2>
+
 <s2 title="Addressed in 3.2.1 and Later Releases">
 <p>The following security advisories apply to versions of
 Xerces-C older than V3.2.1:</p>



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