Sendbox restrictions bypass in Jenkins Script Security and Pipeline: Groovy plugins



Published: 2019-03-25 | Updated: 2019-10-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-1003041
CVE-2019-1003040
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Script Security
Web applications / Modules and components for CMS

Pipeline: Groovy
Web applications / Modules and components for CMS

Vendor Jenkins

Security Bulletin

This security bulletin contains information about 1 vulnerabilities.

Updated 07.10.2019
Assigned CVE-ID numbers.

1) Improper access control

EUVDB-ID: #VU18068

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1003041,CVE-2019-1003040

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass sandbox restrictions.

The vulnerability exists due to improper access restrictions when invoking methods supporting type casts and type coercion. A remote authenticated attacker can invoke constructors for arbitrary types.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Script Security: 1.0 - 1.55

Pipeline: Groovy: 2.0 - 2.64

External links

http://jenkins.io/security/advisory/2019-03-25/


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.



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