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 Subscribe	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: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

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

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?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU21566