CVE-2023-29234 Bypass serialize checks in Apache Dubbo

What is CVE-2023-29234?

CVE-2023-29234 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

A deserialization vulnerability existed when decode a malicious package.This issue affects Apache Dubbo: from 3.1.0 through 3.1.10, from 3.2.0 through 3.2.4.

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

Weakness: CWE-502

Which versions are affected by CVE-2023-29234?

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

Products include Apache Dubbo.

How do I fix CVE-2023-29234?

Upgrade org.apache.dubbo:dubbo to a fixed version for your release line: 3.1.11 or 3.2.5.

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

Is CVE-2023-29234 being exploited?

There is no known exploitation of CVE-2023-29234 in the wild and no public exploit code.

Other vulnerabilities in Apache Dubbo

• CVE-2023-46279 Apache Dubbo: Bypass deny serialize list check in Apache Dubbo Critical 9.8
• CVE-2021-32824 Regular expression Denial of Service in MooTools Critical 9.8
• CVE-2022-39198 Apache Dubbo Hession Deserialization Vulnerability Gadgets Bypass Critical 9.8
• CVE-2021-43297 Dubbo Hessian cause RCE when parse error Critical 9.8
• CVE-2021-36161 Unprotected input value toString cause RCE Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6x49-w35h-wqrj.