PT-2020-4286 · Intel · Intel Bios

Published 2020-09-08 · Updated 2020-10-19 · CVE-2019-14557

Positive Technologies (AI Summary)

CVSS v2.0

5.2

Medium

Base vector

AV:A/AC:L/Au:S/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions: Intel BIOS firmware versions for 8th, 9th, 10th Generation Intel Core and Intel Celeron Processor 4000 & 5000 Series Processors

Description: The issue is related to a buffer overflow in the BIOS firmware, which can be exploited to potentially enable elevation of privilege or cause a denial of service. This can be achieved by an authenticated user via adjacent access.

Recommendations: For 8th, 9th, 10th Generation Intel Core and Intel Celeron Processor 4000 & 5000 Series Processors, update the BIOS firmware to a version that addresses the buffer overflow issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

CWE-119

Related Identifiers

BDU:2020-04778

CVE-2019-14557

Affected Products

Intel Bios

References · 4

• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-00356.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04778 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-14557 · Security Note
• https://cybersecurity-help.cz/vdb/SB2020091001 · Note