CVE-2016-5003 Apache XML-RPC vulnerable to Deserialization of Untrusted Data

Critical 9.8 Published Updated

Remote attackers can execute arbitrary code by sending a crafted serialized Java object to the Apache XML-RPC library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2016-5003?

CVE-2016-5003 is a critical unsafe deserialization vulnerability in n/a, published on 27 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Apache XML-RPC (aka ws-xmlrpc) library 3.1.3, as used in Apache Archiva, allows remote attackers to execute arbitrary code via a crafted serialized Java object in an <ex:serializable> element.

Weakness: CWE-502

Which versions are affected by CVE-2016-5003?

2 open source packages ship an affected version, including org.apache.xmlrpc:xmlrpc. It affects 1 product.

PackageAffectedFixed in
org.apache.xmlrpc:xmlrpc MavenAll versions to 3.1.3None
org.apache.xmlrpc:xmlrpc MavenAll versions to 3.1.3None
Linux distribution packages (38)
xmlrpc3 Red Hat:enterprise_linux:6::serverAll versions0:3.0-4.17.el6_9
xmlrpc3-client Red Hat:enterprise_linux:6::serverAll versions0:3.0-4.17.el6_9
xmlrpc3-client-devel Red Hat:enterprise_linux:6::serverAll versions0:3.0-4.17.el6_9
xmlrpc3-common Red Hat:enterprise_linux:6::serverAll versions0:3.0-4.17.el6_9
xmlrpc3-common-devel Red Hat:enterprise_linux:6::serverAll versions0:3.0-4.17.el6_9
xmlrpc3-javadoc Red Hat:enterprise_linux:6::serverAll versions0:3.0-4.17.el6_9
xmlrpc3-server Red Hat:enterprise_linux:6::serverAll versions0:3.0-4.17.el6_9
xmlrpc3-server-devel Red Hat:enterprise_linux:6::serverAll versions0:3.0-4.17.el6_9
xmlrpc3 Red Hat:enterprise_linux:6::workstationAll versions0:3.0-4.17.el6_9
xmlrpc3-client Red Hat:enterprise_linux:6::workstationAll versions0:3.0-4.17.el6_9
xmlrpc3-client-devel Red Hat:enterprise_linux:6::workstationAll versions0:3.0-4.17.el6_9
xmlrpc3-common Red Hat:enterprise_linux:6::workstationAll versions0:3.0-4.17.el6_9
xmlrpc3-common-devel Red Hat:enterprise_linux:6::workstationAll versions0:3.0-4.17.el6_9
xmlrpc3-javadoc Red Hat:enterprise_linux:6::workstationAll versions0:3.0-4.17.el6_9
xmlrpc3-server Red Hat:enterprise_linux:6::workstationAll versions0:3.0-4.17.el6_9
xmlrpc3-server-devel Red Hat:enterprise_linux:6::workstationAll versions0:3.0-4.17.el6_9
xmlrpc Red Hat:enterprise_linux:7::clientAll versions1:3.1.3-9.el7_5
xmlrpc-client Red Hat:enterprise_linux:7::clientAll versions1:3.1.3-9.el7_5
xmlrpc-common Red Hat:enterprise_linux:7::clientAll versions1:3.1.3-9.el7_5
xmlrpc-javadoc Red Hat:enterprise_linux:7::clientAll versions1:3.1.3-9.el7_5
xmlrpc-server Red Hat:enterprise_linux:7::clientAll versions1:3.1.3-9.el7_5
xmlrpc Red Hat:enterprise_linux:7::computenodeAll versions1:3.1.3-9.el7_5
xmlrpc-client Red Hat:enterprise_linux:7::computenodeAll versions1:3.1.3-9.el7_5
xmlrpc-common Red Hat:enterprise_linux:7::computenodeAll versions1:3.1.3-9.el7_5
xmlrpc-javadoc Red Hat:enterprise_linux:7::computenodeAll versions1:3.1.3-9.el7_5
xmlrpc-server Red Hat:enterprise_linux:7::computenodeAll versions1:3.1.3-9.el7_5
xmlrpc Red Hat:enterprise_linux:7::hypervisorAll versions1:3.1.3-9.el7_5
xmlrpc-client Red Hat:enterprise_linux:7::hypervisorAll versions1:3.1.3-9.el7_5
xmlrpc-common Red Hat:enterprise_linux:7::hypervisorAll versions1:3.1.3-9.el7_5
xmlrpc-javadoc Red Hat:enterprise_linux:7::hypervisorAll versions1:3.1.3-9.el7_5
xmlrpc-server Red Hat:enterprise_linux:7::hypervisorAll versions1:3.1.3-9.el7_5
xmlrpc Red Hat:enterprise_linux:7::serverAll versions1:3.1.3-9.el7_5
xmlrpc-client Red Hat:enterprise_linux:7::serverAll versions1:3.1.3-9.el7_5
xmlrpc-common Red Hat:enterprise_linux:7::serverAll versions1:3.1.3-9.el7_5
xmlrpc-javadoc Red Hat:enterprise_linux:7::serverAll versions1:3.1.3-9.el7_5
xmlrpc-server Red Hat:enterprise_linux:7::serverAll versions1:3.1.3-9.el7_5
xmlrpc Red Hat:enterprise_linux:7::workstationAll versions1:3.1.3-9.el7_5
xmlrpc-client Red Hat:enterprise_linux:7::workstationAll versions1:3.1.3-9.el7_5

Products include Apache Ws-Xmlrpc.

How do I fix CVE-2016-5003?

Upgrade to a fixed version.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2016-5003 being exploited?

There is no known exploitation of CVE-2016-5003 in the wild and no public exploit code.

Sources

Also known as GHSA-4gqp-296r-j5mq, RHSA-2018:1779, RHSA-2018:1780, RHSA-2018:1784, RHSA-2018:2317.

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