Resource exhaustion in Python - CVE-2024-7592
Published: September 9, 2024 / Updated: December 17, 2024
Vulnerability identifier: #VU96945
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-7592
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Python.org
Affected software:
Python
Python
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources within the 'http.cookies' standard library module when parsing cookies that contained backslashes for quoted characters in the cookie value. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
How to mitigate CVE-2024-7592
Install updates from vendor's website.
Sources
- https://github.com/python/cpython/pull/123075
- https://github.com/python/cpython/issues/123067
- https://mail.python.org/archives/list/security-announce@python.org/thread/HXJAAAALNUNGCQUS2W7WR6GFIZIHFOOK/
- https://github.com/python/cpython/commit/391e5626e3ee5af267b97e37abc7475732e67621
- https://github.com/python/cpython/commit/dcc3eaef98cd94d6cb6cb0f44bd1c903d04f33b1
- https://github.com/python/cpython/commit/a77ab24427a18bff817025adb03ca920dc3f1a06
- https://github.com/python/cpython/commit/b2f11ca7667e4d57c71c1c88b255115f16042d9a
- https://github.com/python/cpython/commit/d4ac921a4b081f7f996a5d2b101684b67ba0ed7f
- https://github.com/python/cpython/commit/d662e2db2605515a767f88ad48096b8ac623c774