CVE-2021-30179
Deserialization of Untrusted Data in Apache Dubbo
Severity by source
Trivy's own label is CRITICAL. Rated critical by NVD, GHSA.
Description
Apache Dubbo prior to 2.6.9 and 2.7.9 by default supports generic calls to arbitrary methods exposed by provider interfaces. These invocations are handled by the GenericFilter which will find the service and method specified in the first arguments of the invocation and use the Java Reflection API to make the final call. The signature for the $invoke or $invokeAsync methods is Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/Object; where the first argument is the name of the method to invoke, the second one is an array with the parameter types for the method being invoked and the third one is an array with the actual call arguments. In addition, the caller also needs to set an RPC attachment specifying that the call is a generic call and how to decode the arguments. The possible values are: - true - raw.return - nativejava - bean - protobuf-json An attacker can control this RPC attachment and set it to nativejava to force the java deserialization of the byte array located in the third argument.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| maven::GitHub Security Advisory Maven | com.alibaba:dubbo, org.apache.dubbo:dubbo | 2.6.9 and 1 more |
Show all 2 entries from 1 source
| Source | Package | Fixed in |
|---|---|---|
| maven::GitHub Security Advisory Maven | com.alibaba:dubbo | 2.6.9 |
| maven::GitHub Security Advisory Maven | org.apache.dubbo:dubbo | 2.7.10 |