MGASA-2024-0096 - Updated python3, python packages fix security vulnerabilities

Publication date: 28 Mar 2024
URL: https://advisories.mageia.org/MGASA-2024-0096.html
Type: security
Affected Mageia releases: 9
CVE: CVE-2023-6597,
     CVE-2024-0450

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
- https://lwn.net/Articles/966564/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6597
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-0450

SRPMS:
- 9/core/python3-3.10.11-1.2.mga9
- 9/core/python-2.7.18-15.2.mga9

Mageia 2024-0096: python3, python security update

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

- https://lwn.net/Articles/966564/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6597

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-0450

Resolution

MGASA-2024-0096 - Updated python3, python packages fix security vulnerabilities

SRPMS

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

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

Severity
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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