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commit a932e78720b350d2f46f1e8d7a948b419952b3bb
Author: Scott Cantor <scan...@apache.org>
AuthorDate: Mon Dec 16 23:05:51 2019 +0000
Add CVE-2018-1311 advisory and web site note.
git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@1871683
13f79535-47bb-0310-9956-ffa450edef68
---
doc/html/secadv/CVE-2018-1311.txt | 49 +++++++++++++++++++++++++++++++++++++++
doc/secadv.xml | 11 +++++++++
2 files changed, 60 insertions(+)
diff --git a/doc/html/secadv/CVE-2018-1311.txt
b/doc/html/secadv/CVE-2018-1311.txt
new file mode 100644
index 0000000..01d384f
--- /dev/null
+++ b/doc/html/secadv/CVE-2018-1311.txt
@@ -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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diff --git a/doc/secadv.xml b/doc/secadv.xml
index 4184697..54dda5d 100644
--- a/doc/secadv.xml
+++ b/doc/secadv.xml
@@ -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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