OS Command Injection in mitmproxy

1) OS Command Injection

EUVDB-ID: #VU27048

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

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

External links

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

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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