Vulnerability identifier: #VU21120

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10394

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Script Security
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Script Security: 1.0 - 1.62

---

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

---

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.