SB2019091602 - Multiple vulnerabilities in Script Security plugin for Jenkins

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-10393)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper handling of method names in method call expressions. A remote authenticated attacker can specify and run sandboxed scripts to execute arbitrary code the target system.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-10394)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper handling of property names in property expressions on the left-hand side of assignment expressions. A remote authenticated attacker can specify and run sandboxed scripts to execute arbitrary code the target system.

3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-10399)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper handling of property names in property expressions in increment and decrement expressions. A remote authenticated attacker can specify and run sandboxed scripts to execute arbitrary code the target system.

4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-10400)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper handling of subexpressions in increment and decrement expressions not involving actual assignment allowed. A remote authenticated attacker can specify and run sandboxed scripts to execute arbitrary code the target system.

Remediation

Install update from vendor's website.

References

• http://www.openwall.com/lists/oss-security/2019/09/12/2
• https://jenkins.io/security/advisory/2019-09-12/#SECURITY-1538