CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.
Users are advised to migrate from log4j:log4j to org.apache.logging.log4j:log4j for an updated version of the library.
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-23307
- https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh
- https://logging.apache.org/log4j/1.2/index.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://github.com/advisories/GHSA-f7vh-qwp3-x37m