CVE-2024-6232

Public Exploit
Regular-expression DoS when parsing TarFile headers

Description

There is a MEDIUM severity vulnerability affecting CPython. Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.62%
Vendor Advisory python.org
Affected: Python Software Foundation CPython
Published at:
Updated at:

References

Link Tags
https://github.com/python/cpython/pull/121286 patch issue tracking
https://github.com/python/cpython/issues/121285 patch issue tracking exploit
https://mail.python.org/archives/list/security-announce@python.org/thread/JRYFTPRHZRTLMZLWQEUHZSJXNHM4ACTY/ vendor advisory
https://github.com/python/cpython/commit/4eaf4891c12589e3c7bdad5f5b076e4c8392dd06 patch
https://github.com/python/cpython/commit/743acbe872485dc18df4d8ab2dc7895187f062c4 patch
https://github.com/python/cpython/commit/d449caf8a179e3b954268b3a88eb9170be3c8fbf patch
https://github.com/python/cpython/commit/ed3a49ea734ada357ff4442996fd4ae71d253373 patch
https://github.com/python/cpython/commit/7d1f50cd92ff7e10a1c15a8f591dde8a6843a64d patch
https://github.com/python/cpython/commit/b4225ca91547aa97ed3aca391614afbb255bc877 patch
https://github.com/python/cpython/commit/34ddb64d088dd7ccc321f6103d23153256caa5d4 patch
http://www.openwall.com/lists/oss-security/2024/09/03/5 mailing list third party advisory
https://security.netapp.com/advisory/ntap-20241018-0007/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2024-6232?
CVE-2024-6232 has been scored as a high severity vulnerability.
How to fix CVE-2024-6232?
To fix CVE-2024-6232, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-6232 being actively exploited in the wild?
It is possible that CVE-2024-6232 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-6232?
CVE-2024-6232 affects Python Software Foundation CPython.
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