Vulnerability identifier: #VU21528

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2019-10355

CWE-ID:

Exploitation vector: Network

Exploit availability:

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

Vendor: Jenkins

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

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Fixed software versions

CPE

• cpe:2.3:a:jenkins:script-security:1.54.4:*:*:*:*:jenkins:*:*

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)

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?