CVE-2021-45115
First published: Tue Jan 04 2022(Updated: )
:class:`.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. References: <a href="https://www.djangoproject.com/weblog/2022/jan/04/security-releases/">https://www.djangoproject.com/weblog/2022/jan/04/security-releases/</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/Django | >=4.0.0<4.0.1 | 4.0.1 |
| pip/Django | >=3.2.0<3.2.11 | 3.2.11 |
| pip/Django | >=2.2.0<2.2.26 | 2.2.26 |
| redhat/Django | <4.0.1 | 4.0.1 |
| redhat/Django | <3.2.11 | 3.2.11 |
| redhat/Django | <2.2.26 | 2.2.26 |
| Djangoproject Django | >=2.2<2.2.26 | |
| Djangoproject Django | >=3.2<3.2.11 | |
| Djangoproject Django | >=4.0<4.0.1 | |
| Fedoraproject Fedora | =35 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-45115
- https://docs.djangoproject.com/en/4.0/releases/security/
- https://groups.google.com/forum/#!forum/django-announce
- https://www.djangoproject.com/weblog/2022/jan/04/security-releases/
- https://security.netapp.com/advisory/ntap-20220121-0005/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
- https://github.com/advisories/GHSA-53qw-q765-4fww (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2037170
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2037171
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2037174
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2037172
- https://github.com/django/django/commit/df79ef03ac867c93caaa6be56bc69e66abfeef8f
- https://access.redhat.com/errata/RHSA-2022:5498
- https://access.redhat.com/security/cve/cve-2021-45115
- https://bugzilla.redhat.com/show_bug.cgi?id=2037024
- https://github.com/django/django/commit/2135637fdd5ce994de110affef9e67dffdf77277
- https://github.com/django/django/commit/a8b32fe13bcaed1c0b772fdc53de84abc224fb20
- https://docs.djangoproject.com/en/4.0/releases/security
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV
- https://security.netapp.com/advisory/ntap-20220121-0005
- https://www.djangoproject.com/weblog/2022/jan/04/security-releases
- https://groups.google.com/forum/#%21forum/django-announce
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
Frequently Asked Questions
What is the severity of CVE-2021-45115?
The severity of CVE-2021-45115 is high with a severity value of 7.5.
What versions of Django are affected by CVE-2021-45115?
Django versions 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1 are affected by CVE-2021-45115.
What is the remedy for CVE-2021-45115?
The remedy for CVE-2021-45115 is to update Django to version 4.0.1, 3.2.11, or 2.2.26.
Where can I find more information about CVE-2021-45115?
You can find more information about CVE-2021-45115 on the Django website and the Red Hat Bugzilla.
What is the Common Weakness Enumeration (CWE) for CVE-2021-45115?
CVE-2021-45115 is associated with CWE-400 (Uncontrolled Resource Consumption).
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