Vulnerability identifier: #VU21570
Vulnerability risk: High
Exploitation vector: Network
Exploit availability: Yes
The vulnerability allows a remote attacker to bypass sandbox restrictions.
The vulnerability exists due to improper access restrictions in "src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/GroovySandbox.java" when applying AST transforming annotations such as @Grab to source code elements. A remote authenticated attacker with Overall/Read permission, or able to control Jenkins file or sandboxed Pipeline shared library contents in SCM, can bypass the sandbox protection and execute arbitrary code on the Jenkins master.
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Vulnerable software versions
Script Security: 1.0 - 1.49
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?