CVE-2021-43578: Protection Mechanism Failure

May 24, 2022 (updated December 15, 2022)

Jenkins Squash TM Publisher (Squash4Jenkins) Plugin 1.0.0 and earlier implements an agent-to-controller message that does not implement any validation of its input, allowing attackers able to control agent processes to replace arbitrary files on the Jenkins controller file system with an attacker-controlled JSON string.

References

www.openwall.com/lists/oss-security/2021/11/12/1
github.com/advisories/GHSA-h648-gj34-5x4r
nvd.nist.gov/vuln/detail/CVE-2021-43578
www.jenkins.io/security/advisory/2021-11-12/

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