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Ubuntu 22.04 LTS USN-7030-1 Moderate: py7zr Path Traversal Risk

ubuntu
Calendar Grey September 24, 2024
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To bolster your Ubuntu system's security, tackle the py7zr vulnerability that might permit unauthorized file creation. Run the following commands to update and resolve this issue
py7zr could be made to create arbitrary files when extracting the contents of a specially crafted 7z archive.

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.

Topics%20covered

Topics Covered

security advisory moderate ubuntu path traversal arbitrary file py7zr

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

Ubuntu Security Notice USN-7030-1

Topics%20covered

Topics Covered

security advisory moderate ubuntu path traversal arbitrary file py7zr

Package Information

https://launchpad.net/ubuntu/+source/py7zr/0.11.3+dfsg-4ubuntu0.1

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