Learn about CVE-2022-31107, a critical security flaw in Grafana that allows unauthorized account access via OAuth. Discover the impact, affected versions, and mitigation steps.
A vulnerability in Grafana versions 5.3 through 9.0.3 allows a malicious user to take over another user's account via OAuth, posing a serious security risk.
Understanding CVE-2022-31107
This CVE involves a security issue in Grafana that enables unauthorized access to user accounts through OAuth authentication.
What is CVE-2022-20657?
Grafana, an open-source monitoring platform, is susceptible to an account takeover by a malicious user who can exploit the OAuth configuration. By manipulating the OAuth provider and specific conditions, a threat actor can gain access to another user's account.
The Impact of CVE-2022-20657
The vulnerability exposes user accounts to unauthorized access, potentially leading to data breaches, loss of confidentiality, and integrity violations. Versions 9.0.3, 8.5.9, 8.4.10, and 8.3.10 address this issue, underscoring the severity of the threat.
Technical Details of CVE-2022-20657
The following technical aspects further elucidate the CVE.
Vulnerability Description
The flaw allows a malicious user with OAuth authorization to impersonate another user by exploiting specific conditions and user account linkages.
Affected Systems and Versions
Grafana versions 5.3 to 9.0.3, 8.5.9, 8.4.10, and 8.3.10 are impacted by this vulnerability.
Exploitation Mechanism
To exploit this vulnerability, the malicious user must navigate the OAuth flow with manipulated user IDs and login names to gain unauthorized access.
Mitigation and Prevention
Protecting systems from CVE-2022-20657 is crucial to maintaining data security and integrity.
Immediate Steps to Take
Disable OAuth login to Grafana as a temporary measure. Alternatively, ensure that all OAuth-authorized users have corresponding Grafana accounts linked to their email addresses.
Long-Term Security Practices
Regularly review and update access controls, monitor OAuth configurations, and implement security best practices to mitigate similar vulnerabilities.
Patching and Updates
Install the latest patches and updates provided by Grafana to eliminate the vulnerability and enhance system security.