Vulnerability Name:

CCN-146208

Published:2018-07-10
Updated:2018-07-10
Summary:Multiple Intel Xeon processors could allow a local authenticated attacker to gain elevated privileges on the system, caused by the insecure handling of UEFI variables. An attacker could exploit this vulnerability to disable security features of the platform.
CVSS v3 Severity:6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:H)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.5 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:P/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Complete
Vulnerability Consequences:Gain Privileges
References:Source: XF
Type: UNKNOWN
intel-xeon-uefi-priv-esc(146208)

Source: CCN
Type: INTEL-SA-00158
Platform firmware included insecure handling of certain UEFI variables

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/h:intel:xeon_5600:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    intel xeon 5600 *