#VU101032 Command Injection in py3-virtualenv - CVE-2024-53899

Vulnerability identifier: #VU101032

Vulnerability risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-53899

CWE-ID: CWE-77

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
py3-virtualenv
Other software / Other software solutions

Vendor: www.virtualenv.org

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper input validation when handling magic templates strings in activation scripts. A local user can pass specially crafted value via an environment variable to the affected script and execute arbitrary OS commands on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

py3-virtualenv: 20.0.0 - 20.26.5

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External links
https://github.com/pypa/virtualenv/issues/2768
https://github.com/pypa/virtualenv/pull/2771
https://github.com/pypa/virtualenv/releases/tag/20.26.6

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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