#VU80792 Input validation error in Jetty - CVE-2023-36479

Vulnerability identifier: #VU80792

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-36479

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Jetty
Server applications / Web servers

Vendor: Eclipse

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in org.eclipse.jetty.servlets.CGI Servlet when quoting a command before its execution. A remote user can force the application to execute arbitrary file on the server and potentially compromise the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Jetty: 9.0.0.v20130308 - 9.4.51.v20230217, 10.0.0 - 11.0.15

---

External links
https://github.com/eclipse/jetty.project/security/advisories/GHSA-3gh6-v5v9-6v9j
https://github.com/jetty/jetty.project/security/advisories/GHSA-3gh6-v5v9-6v9j

---

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.