Denial of service in CPython zipfile module



| Updated: 2024-09-09
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-8088
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Python
Universal components / Libraries / Scripting languages

Vendor Python.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU96596

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-8088

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within the the CPython "zipfile" module affecting "zipfile.Path". A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Python: 3.9.0 - 3.12.5

CPE2.3 External links

https://mail.python.org/archives/list/security-announce@python.org/thread/GNFCKVI4TCATKQLALJ5SN4L4CSPSMILU/
https://github.com/python/cpython/pull/122906
https://github.com/python/cpython/issues/122905
https://github.com/python/cpython/commit/795f2597a4be988e2bb19b69ff9958e981cb894e
https://github.com/python/cpython/commit/8c7348939d8a3ecd79d630075f6be1b0c5b41f64
https://github.com/python/cpython/commit/dcc5182f27c1500006a1ef78e10613bb45788dea
https://github.com/python/cpython/commit/e0264a61119d551658d9445af38323ba94fc16db
https://github.com/advisories/GHSA-q98g-hxg3-268c


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.



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