py7zr up to 0.20.0 7z File SevenZipFile.extractall pathname traversal

Summaryinfo

A vulnerability labeled as critical has been found in py7zr up to 0.20.0. Impacted is the function SevenZipFile.extractall of the component 7z File Handler. The manipulation results in pathname traversal. This vulnerability is reported as CVE-2022-44900. No exploit exists. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in py7zr up to 0.20.0. Affected is the function SevenZipFile.extractall of the component 7z File Handler. The manipulation with an unknown input leads to a pathname traversal vulnerability. CWE is classifying the issue as CWE-21. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed 12/07/2022 as 1bb43f17515c7f69673a1c88ab9cc72a7bbef406. The advisory is available at github.com. This vulnerability is traded as CVE-2022-44900 since 11/07/2022. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Applying the patch 1bb43f17515c7f69673a1c88ab9cc72a7bbef406 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Name

• py7zr

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20.0

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

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