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.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html	Exploit Third Party Advisory VDB Entry
https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406	Patch Third Party Advisory
https://lessonsec.com/cve/cve-2022-44900/	Exploit Third Party Advisory
http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html	Exploit Third Party Advisory VDB Entry
https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406	Patch Third Party Advisory
https://lessonsec.com/cve/cve-2022-44900/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:py7zr_project:py7zr:*:*:*:*:*:python:*:*

History

21 Nov 2024, 07:28

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-12-06 20:15

Updated : 2025-04-23 15:15

NVD link : CVE-2022-44900

Mitre link : CVE-2022-44900

CVE.ORG link : CVE-2022-44900

JSON object : View

Products Affected

py7zr_project

py7zr

CWE

CWE-22

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

{"id": "CVE-2022-44900", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2022-12-06T20:15:10.560", "references": [{"url": "http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lessonsec.com/cve/cve-2022-44900/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lessonsec.com/cve/cve-2022-44900/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-22"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Una vulnerabilidad de directory traversal en la funci\u00f3n SevenZipFile.extractall() de la librer\u00eda de Python py7zr v0.20.0 y versiones anteriores permite a los atacantes escribir archivos arbitrarios extrayendo un archivo 7z manipulado."}], "lastModified": "2025-04-23T15:15:53.453", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:py7zr_project:py7zr:*:*:*:*:*:python:*:*", "vulnerable": true, "matchCriteriaId": "762A3996-3E81-4E70-B19F-8A9EA56BEF91", "versionEndExcluding": "0.20.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}