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Mageia 8: Security Advisory MGASA-2022-0011 DoS Risk in Python-Django

mageia
Calendar Grey January 11, 2022
Dist Mageia Esm H88
Recent updates to python-django packages address security vulnerabilities in Mageia 8, particularly regarding Denial of Service (DoS) attacks and information leaks
UserAttributeSimilarityValidator incurred significant overhead evaluating submitted password that were artificially large in relative to the comparison values

Summary

UserAttributeSimilarityValidator incurred significant overhead evaluating submitted password that were artificially large in relative to the comparison values. On the assumption that access to user registration was unrestricted this provided a potential vector for a denial-of-service attack. (CVE-2021-45115) Due to leveraging the Django Template Language's variable resolution logic, the dictsort template filter was potentially vulnerable to information disclosure or unintended method calls, if passed a suitably crafted key. (CVE-2021-45116) Storage.save() allowed directory-traversal if directly passed suitably crafted file names. (CVE-2021-45452)

References

- https://bugs.mageia.org/show_bug.cgi?id=29843

- https://www.djangoproject.com/weblog/2022/jan/04/security-releases/

- https://ubuntu.com/security/notices/USN-5204-1

- https://www.cve.org/CVERecord?id=CVE-2021-45115

- https://www.cve.org/CVERecord?id=CVE-2021-45116

- https://www.cve.org/CVERecord?id=CVE-2021-45452

Resolution

SRPMS

- 8/core/python-django-3.1.14-1.1.mga8

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 11 Jan 2022
URL: https://advisories.mageia.org/MGASA-2022-0011.html
Type: security
CVE: CVE-2021-45115, CVE-2021-45116, CVE-2021-45452

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