Multiple vulnerabilities in Script Security plugin for Jenkins



Published: 2019-07-31 | Updated: 2019-10-07
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-10355
CVE-2019-10356
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Script Security
Web applications / Modules and components for CMS

Vendor Jenkins

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU21528

Risk: High

CVSSv3.1:

CVE-ID: CVE-2019-10355

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the sandbox protection can be circumvented by casting crafted objects to other types. A remote authenticated attacker who is able to specify sandboxed scripts can invoke constructors that were not whitelisted and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Script Security: 1.0 - 1.61


CPE2.3 External links

http://www.openwall.com/lists/oss-security/2019/07/31/1
http://jenkins.io/security/advisory/2019-07-31/#SECURITY-1465%20(1)

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU21566

Risk: High

CVSSv3.1:

CVE-ID: CVE-2019-10356

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the sandbox protection can be circumvented through crafted subexpressions used as arguments to method pointer expressions. A remote authenticated attacker who is able to specify sandboxed scripts can execute arbitrary code in the context of the Jenkins master JVM.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Script Security: 1.0 - 1.61


CPE2.3 External links

http://www.openwall.com/lists/oss-security/2019/07/31/1
http://jenkins.io/security/advisory/2019-07-31/#SECURITY-1465%20(2)

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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