PT-2021-17802 · Asus · Asus Bmc Firmware

Published 2021-04-06 · Updated 2021-04-13 · CVE-2021-28186

Positive Technologies (AI Summary)

CVSS v3.1

4.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: ASUS BMC firmware (affected versions not specified)

Description: The issue arises from a specific function in the ASUS BMC's firmware Web management page, specifically in the ActiveX configuration-2 acquisition, which fails to verify the string length entered by users. This oversight results in a buffer overflow. Remote attackers can exploit this to abnormally terminate the Web service after obtaining privileged permissions.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-28186

Affected Products

Asus Bmc Firmware

References · 6

• https://asus.com/tw/support/callus · Vendor Advisory
• https://asus.com/content/ASUS-Product-Security-Advisory · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28186 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28186 · Vendor Advisory
• https://twcert.org.tw/tw/cp-132-4556-ece3d-1.html · Note
• https://t.me/cvenotify/12701 · Telegram Post