CVE-2021-36161: Unprotected input value toString cause RCE
First published: Thu Sep 09 2021(Updated: )
Some component in Dubbo will try to print the formated string of the input arguments, which will possibly cause RCE for a maliciously customized bean with special toString method. In the latest version, we fix the toString call in timeout, cache and some other places. Fixed in Apache Dubbo 2.7.13
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Dubbo | >=2.7.0<2.7.13 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-36161?
CVE-2021-36161 is a vulnerability in Apache Dubbo that allows a maliciously crafted bean with a special toString method to execute arbitrary code (RCE).
How severe is the CVE-2021-36161 vulnerability?
The severity of CVE-2021-36161 is critical with a severity value of 9.8.
How can I fix CVE-2021-36161?
To fix CVE-2021-36161, update Apache Dubbo to the latest version (2.7.13).
Is Apache Dubbo version 2.7.13 affected by CVE-2021-36161?
No, Apache Dubbo version 2.7.13 is not affected by CVE-2021-36161 as it includes a fix for the vulnerability.
What is CWE-134?
CWE-134 is a Common Weakness Enumeration category that refers to the incorrect handling of a format string.
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