CVE-2017-9457 Information

Description

Intense PC Phoenix SecureCore UEFI firmware does not perform capsule signature validation before upgrading the system firmware. The absence of signature validation allows an attacker with administrator privileges to flash a modified UEFI BIOS.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

http://packetstormsecurity.com/files/143481/Compulab-Intense-PC-MintBox-2-Signature-Verification.html http://seclists.org/fulldisclosure/2017/Jul/56 https://watchmysys.com/blog/2017/07/cve-2017-9457-compulab-intense-pc-lacks-firmware-validation/

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.7