Debian Bug report logs -
#1063538
python-multipart: CVE-2024-24762
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to debian-bugs-dist@lists.debian.org, team@security.debian.org, Sandro Tosi <morph@debian.org>:
Bug#1063538; Package src:python-multipart.
(Fri, 09 Feb 2024 14:06:13 GMT) (full text, mbox, link).
Acknowledgement sent
to Moritz Mühlenhoff <jmm@inutil.org>:
New Bug report received and forwarded. Copy sent to team@security.debian.org, Sandro Tosi <morph@debian.org>.
(Fri, 09 Feb 2024 14:06:13 GMT) (full text, mbox, link).
Message #5 received at submit@bugs.debian.org (full text, mbox, reply):
Source: python-multipart
X-Debbugs-CC: team@security.debian.org
Severity: important
Tags: security
Hi,
The following vulnerability was published for python-multipart.
CVE-2024-24762[0]:
| FastAPI is a web framework for building APIs with Python 3.8+ based
| on standard Python type hints. When using form data, `python-
| multipart` uses a Regular Expression to parse the HTTP `Content-
| Type` header, including options. An attacker could send a custom-
| made `Content-Type` option that is very difficult for the RegEx to
| process, consuming CPU resources and stalling indefinitely (minutes
| or more) while holding the main event loop. This means that process
| can't handle any more requests. It's a ReDoS(Regular expression
| Denial of Service), it only applies to those reading form data,
| using `python-multipart`. This vulnerability has been patched in
| version 0.109.0.
This was reported by fastapi:
https://github.com/tiangolo/fastapi/security/advisories/GHSA-qf9m-vfgh-m389
But the actual code fix within Debian is in python-multipart:
https://github.com/Kludex/python-multipart/commit/20f0ef6b4e4caf7d69a667c54dff57fe467109a4
https://github.com/Kludex/python-multipart/pull/75
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
For further information see:
[0] https://security-tracker.debian.org/tracker/CVE-2024-24762
https://www.cve.org/CVERecord?id=CVE-2024-24762
Please adjust the affected versions in the BTS as needed.
Added tag(s) upstream.
Request was from Salvatore Bonaccorso <carnil@debian.org>
to control@bugs.debian.org.
(Fri, 09 Feb 2024 19:57:08 GMT) (full text, mbox, link).
Marked as found in versions python-multipart/0.0.6-1.
Request was from Salvatore Bonaccorso <carnil@debian.org>
to control@bugs.debian.org.
(Fri, 09 Feb 2024 21:00:05 GMT) (full text, mbox, link).
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