SB2024011535 - Red Hat Enterprise Linux 8.6 Extended Update Support update for krb5
Published: January 15, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Security Features (CVE-ID: CVE-2020-17049)
CWE-ID: CWE-254 - Security Features
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to bypass authentication process.
The vulnerability exists due to security feature bypass issue in Kerberos. A remote administrator can bypass authentication process and gain unauthorized access to the application.
2) Cross-site request forgery (CVE-ID: CVE-2023-5455)
CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.
3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-37967)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote administrator to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Kerberos, which leads to security restrictions bypass and privilege escalation.
Remediation
Install update from vendor's website.