CVE-2018-15727: Critical severity grafana labs grafana oss and enterprise vulnerability
A flaw was found in Grafana 2.x, 3.x, and 4.x before 4.6.4 and 5.x before 5.2.3 allows authentication bypass because an attacker can generate a valid "remember me" cookie knowing only a username of an LDAP or OAuth user.
References: https://grafana.com/blog/2018/08/29/grafana-5.2.3-and-4.6.4-released-with-important-security-fix/
Other sources
Grafana before 4.6.4 and 5.x before 5.2.3 allows authentication bypass because an attacker can generate a valid "remember me" cookie knowing only a username of an LDAP or OAuth user.
Specific Go Packages Affected github.com/grafana/grafana/pkg/api
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2018-15727?
CVE-2018-15727 has a moderate severity rating as it allows authentication bypass for specific users.
How do I fix CVE-2018-15727?
To fix CVE-2018-15727, upgrade Grafana to version 5.2.3 or 4.6.4 or later.
Which Grafana versions are affected by CVE-2018-15727?
CVE-2018-15727 affects Grafana versions 2.x, 3.x, and 4.x before 4.6.4 as well as 5.x before 5.2.3.
Who is impacted by CVE-2018-15727?
Users of Grafana who authenticate via LDAP or OAuth are impacted by CVE-2018-15727.
Is CVE-2018-15727 related to cookie vulnerabilities?
Yes, CVE-2018-15727 is related to cookie vulnerabilities as it involves generating valid "remember me" cookies.