SB2025051433 - Multiple vulnerabilities in Intel Server Board D50DNP and M50FCP

Description

This security bulletin contains information about 6 vulnerabilities.

1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2025-20082)

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

CVSSv4: CVSS:4.0/AV:L/AC:H/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 local user to compromise the target system.

The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition in the UEFI firmware SmiVariable driver. A local administrator can gain elevated privileges on the target system.

2) Input validation error (CVE-ID: CVE-2025-24308)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:H/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 local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the UEFI firmware error handler. A local administrator can pass specially crafted input to the application and gain elevated privileges on the target system.

3) Input validation error (CVE-ID: CVE-2025-21094)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/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 local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the UEFI firmware DXE module. A local administrator can pass specially crafted input to the application and gain elevated privileges on the target system.

4) Input validation error (CVE-ID: CVE-2025-20034)

CWE-ID: CWE-20 - Improper input validation

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

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the BackupBiosUpdate UEFI firmware SmiVariable driver. A local administrator can pass specially crafted input to the application and disclose sensitive information.

5) Input validation error (CVE-ID: CVE-2025-20009)

CWE-ID: CWE-20 - Improper input validation

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

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the UEFI firmware GenerationSetup module. A local administrator can pass specially crafted input to the application and disclose sensitive information.

6) Improper Initialization (CVE-ID: CVE-2025-21100)

CWE-ID: CWE-665 - Improper Initialization

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

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to improper initialization in the UEFI firmware. A local administrator can disclose sensitive information. 

Remediation

Install update from vendor's website.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01269.html