CVE-2018-6188 Django vulnerable to information leakage in AuthenticationForm

What is CVE-2018-6188?

CVE-2018-6188 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 5 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

django.contrib.auth.forms.AuthenticationForm in Django 2.0 before 2.0.2, and 1.11.8 and 1.11.9, allows remote attackers to obtain potentially sensitive information by leveraging data exposure from the confirm_login_allowed() method, as demonstrated by discovering whether a user account is inactive.

Weakness: CWE-200

Which versions are affected by CVE-2018-6188?

5 open source packages ship an affected version, including django and Django. It affects 2 products.

Products include Canonical Ubuntu Linux, Djangoproject Django.

How do I fix CVE-2018-6188?

Upgrade django to a fixed version for your release line: 1.11.10 or 2.0.2.

Is CVE-2018-6188 being exploited?

There is no known exploitation of CVE-2018-6188 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2018-6188, DEBIAN-CVE-2018-6188, GHSA-rf4j-j272-fj86, PYSEC-2018-4.