CVE-2023-46279 Apache Dubbo: Bypass deny serialize list check in Apache Dubbo

Critical 9.8 Published Updated

Attackers can bypass serialization restrictions in Apache Dubbo to execute arbitrary code via deserialization of untrusted data.

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

What is CVE-2023-46279?

CVE-2023-46279 is a critical unsafe deserialization vulnerability in Apache Dubbo, published on 15 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Deserialization of Untrusted Data vulnerability in Apache Dubbo.This issue only affects Apache Dubbo 3.1.5.

Users are recommended to upgrade to the latest version, which fixes the issue.

Weakness: CWE-502

Which versions are affected by CVE-2023-46279?

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

PackageAffectedFixed in
org.apache.dubbo:dubbo MavenFrom 3.1.53.1.6
org.apache.dubbo:dubbo MavenFrom 3.1.53.1.6

Products include Apache Dubbo.

How do I fix CVE-2023-46279?

Upgrade org.apache.dubbo:dubbo to 3.1.6 or later.

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

Is CVE-2023-46279 being exploited?

There is no known exploitation of CVE-2023-46279 in the wild and no public exploit code.

Sources

Also known as GHSA-97rv-88gf-phvr.

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