CVE-2023-39106 Nacos Spring vulnerable to Unsafe Deserialization

High 8.8 Published Updated

Remote attackers can execute arbitrary code via unsafe deserialization in the Nacos Spring Project library.

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

What is CVE-2023-39106?

CVE-2023-39106 is a high-severity unsafe deserialization vulnerability in n/a, published on 21 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue in Nacos Group Nacos Spring Project v.1.1.1 and before allows a remote attacker to execute arbitrary code via the SnakeYamls Constructor() component.

Weakness: CWE-502

Which versions are affected by CVE-2023-39106?

2 open source packages ship an affected version, including com.alibaba.nacos:nacos-spring-context. It affects 1 product.

PackageAffectedFixed in
com.alibaba.nacos:nacos-spring-context MavenAll versions to 1.1.1None
com.alibaba.nacos:nacos-spring-context MavenAll versions to 1.1.1None

Products include Alibabacloud Nacos Spring Project.

How do I fix CVE-2023-39106?

No fix has been published for CVE-2023-39106 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-2023-39106 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-39106 exists.

Sources

Also known as GHSA-v6c8-pwhq-288m.

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