#VU84444 Improper access control in Scriptler - CVE-2023-50764

Vulnerability identifier: #VU84444

Vulnerability risk: Medium

CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-50764

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Scriptler
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected plugin does not restrict a file name query parameter in an HTTP endpoint. A remote user can delete arbitrary files on the Jenkins controller file system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Scriptler: 342.v6a_89fd40f466

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External links
https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-3205
https://www.openwall.com/lists/oss-security/2023/12/13/4

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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.