Sandbox restrictions bypass in Jenkins Script Security plugin



Published: 2020-09-30
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-2279
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 one medium risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU47187

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-2279

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 bypass in the affected plugin. A remote authenticated attacker can provide a specially crafted return values or script binding content and execute arbitrary code on the Jenkins controller JVM.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Script Security: 1.0 - 1.74


CPE2.3 External links

http://www.openwall.com/lists/oss-security/2020/09/23/1
http://www.jenkins.io/security/advisory/2020-09-23/#SECURITY-2020

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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