F5 Networks BIG-IP : Intel BIOS vulnerability (K55051330)

high Nessus Plugin ID 162483

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

The version of F5 Networks BIG-IP installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the K55051330 advisory.

Improper access control in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access. (CVE-2021-33123)ImpactA local attacker logged in as a privileged user can exploit the vulnerability to potentially enable escalation of privileges.The following F5 hardware platforms are vulnerable to CVE-2021-33123:BIG-IP i850BIG-IP i2000 seriesBIG-IP i4000 seriesBIG-IP i5000 seriesBIG-IP i7000 seriesBIG-IP i10000 seriesBIG-IP i11000 seriesBIG-IP i15000 seriesVIPRION B4450NVELOS BX110 bladeFor more information, refer toK9476: The F5 hardware/software compatibility matrixandK86001294: F5OS hardware/software support matrix.All versions of Virtual Edition (VE) for the BIG-IP and BIG-IQ products are potentially impacted if the processors underlying the VE installations areaffected. Microcode updates from Intel are available to address this issue but must be applied at the hardware level, which is outside the scope of the ability of F5 to support or patch.

Tenable has extracted the preceding description block directly from the F5 Networks BIG-IP security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

The vendor has acknowledged the vulnerability, but no solution has been provided.
Refer to the vendor for remediation guidance.

See Also

https://my.f5.com/manage/s/article/K55051330

Plugin Details

Severity: High

ID: 162483

File Name: f5_bigip_SOL55051330.nasl

Version: 1.7

Type: local

Published: 6/22/2022

Updated: 7/18/2024

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-33123

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:f5:big-ip_protocol_security_manager, cpe:/a:f5:big-ip_domain_name_system, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/a:f5:big-ip_wan_optimization_manager, cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_application_security_manager

Required KB Items: Host/local_checks_enabled, Settings/ParanoidReport, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 5/10/2022

Reference Information

CVE: CVE-2021-33123