SB2024050613 - Multiple vulnerabilities in Jenkins Script Security plugin

Description

This security bulletin contains information about 2 vulnerabilities.

1) Security features bypass (CVE-ID: CVE-2024-34144)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the sandbox bypass issue involving crafted constructor bodies. A remote user can define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code on the system.

2) Security features bypass (CVE-ID: CVE-2024-34145)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the sandbox bypass issue involving sandbox-defined classes that shadow specific non-sandbox-defined classes. A remote user can define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code on the system.

Remediation

Install update from vendor's website.

References

• https://www.jenkins.io/security/advisory/2024-05-02/#SECURITY-3341
• http://www.openwall.com/lists/oss-security/2024/05/02/3