Vulnerability identifier: #VU21566
Vulnerability 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:
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 escalate privileges on the system.
The vulnerability exists due to the sandbox protection can be circumvented through crafted subexpressions used as arguments to method pointer expressions. A remote authenticated attacker who is able to specify sandboxed scripts can execute arbitrary code in the context of the Jenkins master JVM.Mitigation
Install updates from vendor's website.
Vulnerable software versions
Script Security: 1.0 - 1.61
External links
http://www.openwall.com/lists/oss-security/2019/07/31/1
http://jenkins.io/security/advisory/2019-07-31/#SECURITY-1465%20(2)
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.