#VU27048 OS Command Injection in mitmproxy

Vulnerability identifier: #VU27048

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
mitmproxy
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: mitmproxy.org

Description

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

The vulnerability exists due to the command generated by "export.clip curl @focus" or "export.file curl @Focus /path/to/file" is not properly escaped. A remote unauthenticated attacker can execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

mitmproxy: 0.1 - 4.0.4

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External links
https://snyk.io/vuln/SNYK-PYTHON-MITMPROXY-565718
https://github.com/mitmproxy/mitmproxy/commit/d027891cec67e190403fc4fa73f17d7a74f02720

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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.