CVE-2020-36282 Unsafe Deserialization that can Result in Code Execution

Critical 9.8 Published Updated

An attacker can execute arbitrary code by sending crafted StreamMessage data to the JMS Client for RabbitMQ.

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

What is CVE-2020-36282?

CVE-2020-36282 is a critical unsafe deserialization vulnerability in n/a, published on 12 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

JMS Client for RabbitMQ 1.x before 1.15.2 and 2.x before 2.2.0 is vulnerable to unsafe deserialization that can result in code execution via crafted StreamMessage data.

Weakness: CWE-502

Which versions are affected by CVE-2020-36282?

4 open source packages ship an affected version, including com.rabbitmq.jms:rabbitmq-jms. It affects 1 product.

PackageAffectedFixed in
com.rabbitmq.jms:rabbitmq-jms MavenFrom 1.01.15.2
com.rabbitmq.jms:rabbitmq-jms MavenFrom 1.01.15.2
com.rabbitmq.jms:rabbitmq-jms MavenFrom 2.02.2.0
com.rabbitmq.jms:rabbitmq-jms MavenFrom 2.02.2.0

Products include Rabbitmq Jms Client.

How do I fix CVE-2020-36282?

Upgrade com.rabbitmq.jms:rabbitmq-jms to a fixed version for your release line: 1.15.2 or 2.2.0.

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

Is CVE-2020-36282 being exploited?

There is no known exploitation of CVE-2020-36282 in the wild and no public exploit code.

Sources

Also known as GHSA-v525-c3g5-cg9p.

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