Vulnerability identifier: #VU21528
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 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
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)
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.