CVE-2021-31542

Advisory

Django 2.2.21, 3.1.9 and 3.2.1 include a fix for CVE-2021-31542: MultiPartParser, UploadedFile, and FieldFile allowed directory traversal via uploaded files with suitably crafted file names.
https://www.djangoproject.com/weblog/2021/may/04/security-releases

Affected package

Affected versions

Fixed versions

Vulnerability changelog

In Django 2.2 before 2.2.21, 3.1 before 3.1.9, and 3.2 before 3.2.1, MultiPartParser, UploadedFile, and FieldFile allowed directory traversal via uploaded files with suitably crafted file names. See CVE-2021-31542.


MISC:http://www.openwall.com/lists/oss-security/2021/05/04/3: http://www.openwall.com/lists/oss-security/2021/05/04/3
MISC:https://docs.djangoproject.com/en/3.2/releases/security/: https://docs.djangoproject.com/en/3.2/releases/security/
MISC:https://groups.google.com/forum/#!forum/django-announce: https://groups.google.com/forum/#%21forum/django-announce
MISC:https://www.djangoproject.com/weblog/2021/may/04/security-releases/: https://www.djangoproject.com/weblog/2021/may/04/security-releases/

Resources

• http://www.openwall.com/lists/oss-security/2021/05/04/3
• https://docs.djangoproject.com/en/3.2/releases/security/
• https://groups.google.com/forum/#%21forum/django-announce
• https://www.djangoproject.com/weblog/2021/may/04/security-releases/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31542
• https://lists.debian.org/debian-lts-announce/2021/05/msg00005.html
• https://security.netapp.com/advisory/ntap-20210618-0001/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
• https://github.com/django/django/commit/04ac1624bdc2fa737188401757cf95ced122d26d
• https://github.com/django/django/commit/25d84d64122c15050a0ee739e859f22ddab5ac48
• https://github.com/django/django/commit/c98f446c188596d4ba6de71d1b77b4a6c5c2a007