NewStart CGSL CORE 5.05 / MAIN 5.05 : microcode_ctl Multiple Vulnerabilities (NS-SA-2021-0139)

medium Nessus Plugin ID 154587

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Synopsis

The remote NewStart CGSL host is affected by multiple vulnerabilities.

Description

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has microcode_ctl packages installed that are affected by multiple vulnerabilities:

- Insufficient access control in protected memory subsystem for Intel(R) SGX for 6th, 7th, 8th, 9th Generation Intel(R) Core(TM) Processor Families; Intel(R) Xeon(R) Processor E3-1500 v5, v6 Families;
Intel(R) Xeon(R) E-2100 & E-2200 Processor Families with Intel(R) Processor Graphics may allow a privileged user to potentially enable information disclosure via local access. (CVE-2019-0117)

- Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-0543)

- Cleanup errors in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-0548)

- Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-0549)

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

Solution

Upgrade the vulnerable CGSL microcode_ctl packages. Note that updated packages may not be available yet. Please contact ZTE for more information.

Plugin Details

Severity: Medium

ID: 154587

File Name: newstart_cgsl_NS-SA-2021-0139_microcode_ctl.nasl

Version: 1.2

Type: local

Family: NewStart CGSL Local Security Checks

Published: 10/27/2021

Updated: 10/27/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2020-0549

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:zte:cgsl_core:microcode_ctl, p-cpe:/a:zte:cgsl_core:microcode_ctl-debuginfo, p-cpe:/a:zte:cgsl_main:microcode_ctl, p-cpe:/a:zte:cgsl_main:microcode_ctl-debuginfo, cpe:/o:zte:cgsl_core:5, cpe:/o:zte:cgsl_main:5

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/ZTE-CGSL/release, Host/ZTE-CGSL/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/24/2021

Vulnerability Publication Date: 11/12/2019

Reference Information

CVE: CVE-2019-0117, CVE-2020-0543, CVE-2020-0548, CVE-2020-0549

Detections

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