#VU71225 OS Command Injection in Mozilla Firefox - CVE-2023-23599

Vulnerability identifier: #VU71225

Vulnerability risk: Medium

CVSSv4.0: 4.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-23599

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when copying a network request from the developer tools panel as a curl command in devtools on Windows. A remote attacker can trick the victim to copy and paste data from the network request into a console and execute arbitrary commands.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0.1 - 108.0.2

---

External links
https://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.