CVE-2022-44900

Advisory

Py7zr 0.20.1 includes a fix for CVE-2022-44900: 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.

Affected package

Affected versions

Fixed versions

Vulnerability changelog

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. See CVE-2022-44900.


MISC:https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406: https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406

Resources

• https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-44900
• http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html
• https://lessonsec.com/cve/cve-2022-44900/