Multiple vulnerabilities in Django

Published: 2020-09-10 | Updated: 2020-09-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-24583 CVE-2020-24584
CWE-ID	CWE-276
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Django Web applications / CMS
Vendor	Django Software Foundation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Incorrect default permissions

EUVDB-ID: #VU46659

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-24583

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application when "FILE_UPLOAD_DIRECTORY_PERMISSIONS" mode was not applied to intermediate-level directories created in the process of uploading files. A remote attacker can view contents of files and directories.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Django: 2.2 - 3.1

External links

http://docs.djangoproject.com/en/dev/releases/security/
http://groups.google.com/forum/#!topic/django-announce/Gdqn58RqIDM
http://groups.google.com/forum/#!topic/django-announce/zFCMdgUnutU
http://usn.ubuntu.com/4479-1/
http://www.djangoproject.com/weblog/2020/sep/01/security-releases/
http://www.openwall.com/lists/oss-security/2020/09/01/2

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Incorrect default permissions

EUVDB-ID: #VU46660