CVE-2023-41105
First published: Wed Aug 23 2023(Updated: )
An issue was discovered in Python 3.11 through 3.11.4. If a path containing '\0' bytes is passed to os.path.normpath(), the path will be truncated unexpectedly at the first '\0' byte. There are plausible cases in which an application would have rejected a filename for security reasons in Python 3.10.x or earlier, but that filename is no longer rejected in Python 3.11.x.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Python Python | >=3.11.0<=3.11.4 | |
| redhat/Pyhton | <3.11.5 | 3.11.5 |
| Netapp Active Iq Unified Manager Windows | ||
| debian/python2.7 | 2.7.18-8+deb11u1 | |
| debian/python3.11 | 3.11.2-6+deb12u4 3.11.2-6+deb12u3 | |
| debian/python3.12 | 3.12.8-3 | |
| debian/python3.9 | 3.9.2-1 3.9.2-1+deb11u2 |
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Reference Links
- https://github.com/python/cpython/issues/106242
- https://github.com/python/cpython/pull/107981
- https://github.com/python/cpython/pull/107982
- https://github.com/python/cpython/pull/107983
- https://mail.python.org/archives/list/security-announce@python.org/thread/D6CDW3ZZC5D444YGL3VQUY6D4ECMCQLD/
- https://security.netapp.com/advisory/ntap-20231006-0015/
- https://launchpad.net/bugs/cve/CVE-2023-41105
- https://bugs.gentoo.org/912976
- https://access.redhat.com/security/cve/CVE-2023-41105
- https://access.redhat.com/errata/RHSA-2023:6494
- https://access.redhat.com/errata/RHSA-2023:7024
- https://bugzilla.redhat.com/show_bug.cgi?id=2235795
- https://mail.python.org/archives/list/security-announce%40python.org/thread/D6CDW3ZZC5D444YGL3VQUY6D4ECMCQLD/
- https://security-tracker.debian.org/tracker/CVE-2023-41105
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-41105
- https://nvd.nist.gov/vuln/detail/CVE-2023-41105
- https://ubuntu.com/security/CVE-2023-41105
Frequently Asked Questions
What is CVE-2023-41105?
CVE-2023-41105 is a vulnerability in Python 3.11 through 3.11.4 that allows a path containing '\0' bytes to be truncated unexpectedly at the first '\0' byte.
How does CVE-2023-41105 affect Python?
CVE-2023-41105 affects Python versions 3.11 through 3.11.4.
What is the severity of CVE-2023-41105?
CVE-2023-41105 has a severity rating of 7.5 out of 10.
How can CVE-2023-41105 be exploited?
CVE-2023-41105 can be exploited by passing a path containing '\0' bytes to the os.path.normpath() function in Python.
Is there a patch available for CVE-2023-41105?
Yes, patches are available for Python versions 3.11 through 3.11.4 to address CVE-2023-41105.
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