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Mageia 9 MGASA-2024-0096 Critical: Python Zipfile Permissions Issues

mageia
Calendar Grey March 28, 2024
Dist Mageia Esm H88
MGASA-2024-0097 addresses significant vulnerabilities in python3 and associated libraries. Keep your environment secure and enjoy safer programming.
The tempfile.TemporaryDirectory class would dereference symlinks during cleanup of permissions-related errors

Summary

The tempfile.TemporaryDirectory class would dereference symlinks during cleanup of permissions-related errors. This means users which can run privileged programs are potentially able to modify permissions of files referenced by symlinks in some circumstances. (CVE-2023-6597) The zipfile module is vulnerable to “quoted-overlap” zip-bombs which exploit the zip format to create a zip-bomb with a high compression ratio. The fixed versions of CPython makes the zipfile module reject zip archives which overlap entries in the archive. (CVE-2024-0450)

References

- https://bugs.mageia.org/show_bug.cgi?id=32998

- https://www.openwall.com/lists/oss-security/2024/03/20/5

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- https://www.cve.org/CVERecord?id=CVE-2023-6597

- https://www.cve.org/CVERecord?id=CVE-2024-0450

Resolution

SRPMS

- 9/core/python3-3.10.11-1.2.mga9

- 9/core/python-2.7.18-15.2.mga9

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 28 Mar 2024
URL: https://advisories.mageia.org/MGASA-2024-0096.html
Type: security
CVE: CVE-2023-6597, CVE-2024-0450

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