SB2020111607 - Multiple vulnerabilities in Intel Ethernet 700 Series Controller
Published: November 16, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2020-8693)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/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 boundary error. A local administrator can trigger memory corruption, gain elevated privieges and cause a denial of service (DoS) conditon on the target system.
2) Improper access control (CVE-ID: CVE-2020-8692)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A local administrator can bypass implemented security restrictions, escalate privileges and cause a denial of service (DoS) condition on the target system.
3) Protection Mechanism Failure (CVE-ID: CVE-2020-8690)
CWE-ID: CWE-693 - Protection Mechanism Failure
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures. A local administrator can bypass implemented security restrictions, elevate privileges on the system and cause a denial of service (DoS) condition.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-8691)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local administrator to escalate privileges on the system.
The vulnerability exists due to a logic issue in the firmware, which leads to privilege escalation and denial of service (DoS) condition.
Remediation
Install update from vendor's website.