CVE-2017-7504 Deserialization in JBoss

Critical 9.8 Published Updated

Remote attackers can execute arbitrary code via crafted serialized data in the JMS over HTTP Invocation Layer of JBoss Application Server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-7504?

CVE-2017-7504 is a critical unsafe deserialization vulnerability in Redhat Jboss Enterprise Application Platform, published on 19 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HTTPServerILServlet.java in JMS over HTTP Invocation Layer of the JbossMQ implementation, which is enabled by default in Red Hat Jboss Application Server <= Jboss 4.X does not restrict the classes for which it performs deserialization, which allows remote attackers to execute arbitrary code via crafted serialized data.

Weakness: CWE-502

Which versions are affected by CVE-2017-7504?

It affects 1 product.

Products include Redhat Jboss Enterprise Application Platform.

How do I fix CVE-2017-7504?

No fix has been published for CVE-2017-7504 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2017-7504 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-7504 exists.

Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.

All Redhat Jboss Enterprise Application Platform vulnerabilities

Sources

Also known as GHSA-gwfp-fq3q-j3f2.

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