CVE-2022-44900: Path Traversal
First published: Tue Dec 06 2022(Updated: )
A directory traversal vulnerability in the SevenZipFile.extractall() function of the python library py7zr v0.20.0 and earlier allows attackers to write arbitrary files via extracting a crafted 7z file.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Py7zr Project Py7zr | <0.20.1 | |
| debian/py7zr | 0.11.3+dfsg-1+deb11u1 0.11.3+dfsg-5 0.22.0+dfsg-1 | |
| pip/py7zr | <=0.20.0 | 0.20.1 |
| <0.20.1 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2022-44900
- https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406
- http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html
- https://lessonsec.com/cve/cve-2022-44900/
- https://advisory-inbox.githubapp.com/advisory_reviews/GHSA-m8xw-9x5x-6vh3
- https://github.com/advisories/GHSA-m8xw-9x5x-6vh3 (Advisory)
- https://launchpad.net/bugs/cve/CVE-2022-44900
- https://security-tracker.debian.org/tracker/CVE-2022-44900
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-44900
- https://ubuntu.com/security/CVE-2022-44900
- https://github.com/pypa/advisory-database/tree/main/vulns/py7zr/PYSEC-2022-42998.yaml
- https://lessonsec.com/cve/cve-2022-44900
Frequently Asked Questions
What is CVE-2022-44900?
CVE-2022-44900 is a directory traversal vulnerability in the SevenZipFile.extractall() function of the python library py7zr v0.20.0 and earlier.
How does CVE-2022-44900 work?
CVE-2022-44900 allows attackers to write arbitrary files by extracting a crafted 7z file.
What is the severity of CVE-2022-44900?
CVE-2022-44900 has a severity rating of 9.1 (critical).
How can I fix CVE-2022-44900?
To fix CVE-2022-44900, update py7zr to version 0.20.1 or newer.
Where can I find more information about CVE-2022-44900?
You can find more information about CVE-2022-44900 at the following references: [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-44900), [GitHub](https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406), [Packet Storm Security](http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html)
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