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THREATINT
PUBLISHED

CVE-2021-36163

Unsafe deserialization in providers using the Hessian protocol



Description

In Apache Dubbo, users may choose to use the Hessian protocol. The Hessian protocol is implemented on top of HTTP and passes the body of a POST request directly to a HessianSkeleton: New HessianSkeleton are created without any configuration of the serialization factory and therefore without applying the dubbo properties for applying allowed or blocked type lists. In addition, the generic service is always exposed and therefore attackers do not need to figure out a valid service/method name pair. This is fixed in 2.7.13, 2.6.10.1

Reserved 2021-07-06 | Published 2021-09-07 | Updated 2024-08-04 | Assigner apache

Problem types

Remote Code Execution by tempering the serialization id on server side.

Product status

Apache Dubbo 2.7.x
affected

Apache Dubbo 2.6.x
affected

References

lists.apache.org/...6ce28e4defdb428c0@

cve.org (CVE-2021-36163)

nvd.nist.gov (CVE-2021-36163)

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