Sandbox restrictions bypass in Script Security plugin for Jenkins
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-1003024 |
| CWE-ID | CWE-284 |
| 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 one high risk vulnerability.
1) Improper access control
EUVDB-ID: #VU21569
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-2019-1003024
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass sandbox restrictions.
The vulnerability exists due to improper access restrictions in "RejectASTTransformsCustomizer.java". A remote authenticated attacker with Overall/Read permission, or the ability to control Jenkins file or sandboxed Pipeline shared library contents in SCM, can provide a Groovy script to an HTTP endpoint that can result in arbitrary code execution on the Jenkins master JVM.
Mitigation
Install updates from vendor's website.
Vulnerable software versionsScript Security: 1.0 - 1.52
External linkshttp://jenkins.io/security/advisory/2019-02-19/#SECURITY-1320
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.
