GHSA-m8xw-9x5x-6vh3

py7zr directory traversal vulnerability

Source: GitHub Advisory Database (reviewed) Critical CVE-2022-44900

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	py7zr	< 0.20.1	0.20.1

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2022-44900 advisory
https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406 web
https://advisory-inbox.githubapp.com/advisory_reviews/GHSA-m8xw-9x5x-6vh3 web
https://github.com/miurahr/py7zr package
https://github.com/pypa/advisory-database/tree/main/vulns/py7zr/PYSEC-2022-42998.yaml web
https://lessonsec.com/cve/cve-2022-44900 web
http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html web