Tuesday, September 24, 2024

[USN-7030-1] py7zr vulnerability

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==========================================================================  Ubuntu Security Notice USN-7030-1  September 24, 2024    py7zr vulnerability  ==========================================================================    A security issue affects these releases of Ubuntu and its derivatives:    - Ubuntu 22.04 LTS    Summary:    py7zr could be made to create arbitrary files when extracting the contents  of a specially crafted 7z archive.    Software Description:  - py7zr: Pure Python 7-zip library    Details:    It was discovered that py7zr was vulnerable to path traversal attacks.  If a user or automated system were tricked into extracting a specially  crafted 7z archive, an attacker could possibly use this issue to write  arbitrary files outside the target directory on the host.    Update instructions:    The problem can be corrected by updating your system to the following  package versions:    Ubuntu 22.04 LTS    python3-py7zr                   0.11.3+dfsg-4ubuntu0.1    In general, a standard system update will make all the necessary changes.    References:    https://ubuntu.com/security/notices/USN-7030-1    CVE-2022-44900    Package Information:    https://launchpad.net/ubuntu/+source/py7zr/0.11.3+dfsg-4ubuntu0.1    

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