SB2022112220 - Multiple vulnerabilities in Grafana

Description

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2022-39306)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can use the invitation link to sign up with an arbitrary username/email with a malicious intent.

2) Information disclosure (CVE-ID: CVE-2022-39307)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application when using the forget password on the login page. A remote attacker can gain unauthorized access to sensitive information on the system.

3) Race condition (CVE-ID: CVE-2022-39328)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

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

The vulnerability exists due to a race condition in the Grafana codebase. A remote attacker can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Remediation

Install update from vendor's website.

References

• https://github.com/grafana/grafana/security/advisories/GHSA-2x6g-h2hg-rq84
• https://github.com/grafana/grafana/security/advisories/GHSA-3p62-42x7-gxg5
• https://github.com/grafana/grafana/security/advisories/GHSA-vqc4-mpj8-jxch