CVE-2016-10750 Deserialization of Untrusted Data in Hazelcast

High 8.1 Published Updated

Remote attackers can execute arbitrary code on Hazelcast instances by sending crafted join requests exploiting unsafe Java deserialization.

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

What is CVE-2016-10750?

CVE-2016-10750 is a high-severity unsafe deserialization vulnerability in n/a, published on 22 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.

Weakness: CWE-502

Which versions are affected by CVE-2016-10750?

2 open source packages ship an affected version, including com.hazelcast:hazelcast. It affects 1 product.

PackageAffectedFixed in
com.hazelcast:hazelcast MavenAll versions3.11
com.hazelcast:hazelcast MavenAll versions3.11

Products include Hazelcast Hazelcast.

How do I fix CVE-2016-10750?

Upgrade com.hazelcast:hazelcast to 3.11 or later.

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

Is CVE-2016-10750 being exploited?

There is no known exploitation of CVE-2016-10750 in the wild and no public exploit code.

Sources

Also known as GHSA-jv65-pf7v-f7p8.

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