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CVE-2022-44900

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Date: December 5, 2022

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.

Language: Python

Severity Score

Related Resources (9)

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

Severity Score

Weakness Type (CWE)

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

Top Fix

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Upgrade Version

Upgrade to version py7zr - 0.20.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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