Improper Certificate Validation in Django - CVE-2020-13254

Vulnerability identifier: #VU28954

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-13254

CWE-ID: CWE-295

Exploitation vector: Remote access

Exploit availability: Public exploit is available

The vulnerability allows a remote attacker to gain access to sensitive information on the system

The vulnerability exists when a memcached backend does not perform key validation. A remote attacker can gain access to sensitive information on the target system.

Django
Debian Linux
Arch Linux
Fedora
py3-django (Alpine package)
python-django (Debian package)
python-django20 (Red Hat package)
python-django
Red Hat OpenStack

Install updates from vendor's website.

Django - addressed in versions 2.2.13, 3.0.7
python-django (Debian package) - addressed in versions 1:1.10.7-2+deb9u9, 1:1.11.29-1~deb10u1
python-django20 (Red Hat package) - update to 2.0.13-12.el8ost
python-django - addressed in versions 2.2.13-1.el8, 2.2.13-1.fc31, 3.0.7-1.fc32
Red Hat OpenStack - update to 16.1.4

• Exploit #3043 - django-cve-2020-13254 (Vulnerability demonstration for Django CVE-2020-13254) (June 19, 2020)

• https://docs.djangoproject.com/en/3.0/releases/security/
• https://groups.google.com/d/msg/django-announce/pPEmb2ot4Fo/X-SMalYSBAAJ
• https://usn.ubuntu.com/4381-1/
• https://usn.ubuntu.com/4381-2/
• https://www.djangoproject.com/weblog/2020/jun/03/security-releases/

• Multiple vulnerabilities in Django
• Arch Linux update for python-django
• Improper Certificate Validation in py3-django (Alpine package)
• Debian update for python-django
• Improper Certificate Validation in Red Hat OpenStack 16.1 packages
• Fedora 32 update for python-django
• Fedora 31 update for python-django
• Fedora EPEL 8 update for python-django