CVE-2023-25765: Protection Mechanism Failure

February 15, 2023

In Jenkins Email Extension Plugin 2.93 and earlier, templates defined inside a folder were not subject to Script Security protection, allowing attackers able to define email templates in folders to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

References

www.openwall.com/lists/oss-security/2023/02/15/4
github.com/advisories/GHSA-c9c2-wcxh-3w5j
nvd.nist.gov/vuln/detail/CVE-2023-25765
www.jenkins.io/security/advisory/2023-02-15/

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