CVE-2021-28658: Path Traversal
First published: Tue Mar 30 2021(Updated: )
In Django 2.2 before 2.2.20, 3.0 before 3.0.14, and 3.1 before 3.1.8, MultiPartParser allowed directory traversal via uploaded files with suitably crafted file names. Built-in upload handlers were not affected by this vulnerability.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Djangoproject Django | >=2.2<2.2.20 | |
| Djangoproject Django | >=3.0<3.0.14 | |
| Djangoproject Django | >=3.1<3.1.8 | |
| Debian Debian Linux | =9.0 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://docs.djangoproject.com/en/3.1/releases/security/
- https://groups.google.com/g/django-announce/c/ePr5j-ngdPU
- https://lists.debian.org/debian-lts-announce/2021/04/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE/
- https://security.netapp.com/advisory/ntap-20210528-0001/
- https://www.djangoproject.com/weblog/2021/apr/06/security-releases/
- https://github.com/pulp/pulp_ansible/blob/master/pulp_ansible/app/viewsets.py#L280
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1946581
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1946580
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1946582
- https://www.djangoproject.com/download/
- https://access.redhat.com/support/policy/updates/rhui
- https://access.redhat.com/errata/RHSA-2021:4702
- https://access.redhat.com/errata/RHSA-2021:5070
- https://bugzilla.redhat.com/show_bug.cgi?id=1944801
Frequently Asked Questions
What is CVE-2021-28658?
CVE-2021-28658 is a vulnerability in Django versions 2.2 before 2.2.20, 3.0 before 3.0.14, and 3.1 before 3.1.8 that allows directory traversal via uploaded files with suitably crafted file names.
How does CVE-2021-28658 impact Django?
CVE-2021-28658 impacts Django by allowing malicious users to perform directory traversal by exploiting the vulnerability in the MultiPartParser.
What software versions are affected by CVE-2021-28658?
The versions of Django affected by CVE-2021-28658 are 2.2 before 2.2.20, 3.0 before 3.0.14, and 3.1 before 3.1.8.
How severe is the vulnerability CVE-2021-28658?
The severity of CVE-2021-28658 is medium, with a severity score of 5.3.
How can I fix CVE-2021-28658?
To fix CVE-2021-28658, you should update Django to versions 2.2.20, 3.0.14, or 3.1.8.
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