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From 5d6fe1e8c071bd56cf08f86e337f617fc9895b30 Mon Sep 17 00:00:00 2001
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From: Michael Simacek <msimacek@redhat.com>
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Date: Fri, 18 May 2018 15:22:49 +0200
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Subject: [PATCH] Disallow deserialization of <ex:serializable> tags
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Can be reenabled by setting JVM property
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org.apache.xmlrpc.allowInsecureDeserialization to 1.
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- Resolves CVE-2016-5003
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---
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.../java/org/apache/xmlrpc/parser/SerializableParser.java | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/common/src/main/java/org/apache/xmlrpc/parser/SerializableParser.java b/common/src/main/java/org/apache/xmlrpc/parser/SerializableParser.java
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index 18f25ac..c8bb7ed 100644
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--- a/common/src/main/java/org/apache/xmlrpc/parser/SerializableParser.java
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+++ b/common/src/main/java/org/apache/xmlrpc/parser/SerializableParser.java
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@@ -29,6 +29,14 @@ import org.apache.xmlrpc.XmlRpcException;
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*/
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public class SerializableParser extends ByteArrayParser {
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public Object getResult() throws XmlRpcException {
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+ if (!"1".equals(System.getProperty("org.apache.xmlrpc.allowInsecureDeserialization"))) {
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+ throw new UnsupportedOperationException(
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+ "Deserialization of ex:serializable objects is vulnerable to " +
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+ "remote execution attacks and is disabled by default. " +
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+ "If you are sure the source data is trusted, you can enable " +
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+ "it by setting org.apache.xmlrpc.allowInsecureDeserialization " +
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+ "JVM property to 1");
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+ }
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try {
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byte[] res = (byte[]) super.getResult();
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ByteArrayInputStream bais = new ByteArrayInputStream(res);
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--
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2.17.0
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