CVE-2022-42969
First published: Sun Oct 16 2022(Updated: )
The py library through 1.11.0 for Python allows remote attackers to conduct a ReDoS (Regular expression Denial of Service) attack via a Subversion repository with crafted info data, because the InfoSvnCommand argument is mishandled.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/py | <=1.11.0 | |
| pytest | <=1.11.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2022-42969
- https://github.com/pytest-dev/py/issues/287
- https://github.com/pytest-dev/py/blob/cb87a83960523a2367d0f19226a73aed4ce4291d/py/_path/svnurl.py#L316
- https://github.com/pytest-dev/py/issues/288
- https://github.com/pytest-dev/pytest/issues/10392
- https://news.ycombinator.com/item?id=34163710
- https://pypi.org/project/py
- https://github.com/advisories/GHSA-w596-4wvx-j9j6 (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/py/PYSEC-2022-42969.yaml
Frequently Asked Questions
What is the severity of CVE-2022-42969?
CVE-2022-42969 is considered a moderate severity vulnerability due to its potential for a ReDoS attack.
How do I fix CVE-2022-42969?
To mitigate CVE-2022-42969, upgrade the py library to version 1.11.1 or newer.
What is a ReDoS attack in the context of CVE-2022-42969?
In the context of CVE-2022-42969, a ReDoS attack targets vulnerable regular expressions to exhaust server resources.
Which software is affected by CVE-2022-42969?
CVE-2022-42969 affects the py library and its integration in Python applications up to version 1.11.0.
Is CVE-2022-42969 exploitable remotely?
Yes, CVE-2022-42969 can be exploited remotely by attackers through crafted data in Subversion repositories.
- agent/type
- agent/severity
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/author
- agent/event
- collector/mitre-cve
- source/MITRE
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-w596-4wvx-j9j6
- alias/CVE-2022-42969
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/references
- collector/github-advisory
- agent/trending
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-index
- collector/nvd-cve
- package-manager/pip
- vendor/pytest
- canonical/pytest
- version/pytest/1.11.0