Remote code execution in Python setuptools

1) Code Injection

EUVDB-ID: #VU95339

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-6345

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation when processing URL in the package_index module of pypa/setuptools. A remote attacker can send a specially crafted request and execute arbitrary code on the target system via download functions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

setuptools: 50.0.0 - 69.5.1

CPE2.3

• cpe:2.3:a:pypa:setuptools:50.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:pypa:setuptools:50.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:pypa:setuptools:50.0.2:*:*:*:*:*:*:*

External links

https://huntr.com/bounties/d6362117-ad57-4e83-951f-b8141c6e7ca5
https://github.com/pypa/setuptools/commit/88807c7062788254f654ea8c03427adc859321f0

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.