An issue was discovered in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1. UserAttributeSimilarityValidator incurred significant overhead in evaluating a submitted password that was artificially large in relation to the comparison values. In a situation where access to user registration was unrestricted, this provided a potential vector for a denial-of-service attack.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-45115US | high7.5 | — | ||
An issue was discovered in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1. UserAttributeSimilarityValidator incurred significant overhead in evaluating a submitt… | ||||
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references
External citations — patches, advisories, analysis.
- https://docs.djangoproject.com/en/4.0/releases/security/ADVISORY
- https://groups.google.com/forum/#%21forum/django-announceWEB
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/WEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-45115WEB
- https://security.netapp.com/advisory/ntap-20220121-0005/ADVISORY
- https://www.djangoproject.com/weblog/2022/jan/04/security-releases/ADVISORY
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