medium
4.9
CWE
120 119
Advisory Published
Updated

CVE-2021-28194: ASUS BMC's firmware: buffer overflow - Remote image configuration setting

First published: Tue Apr 06 2021(Updated: )

The specific function in ASUS BMC’s firmware Web management page (Remote image configuration setting) does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.

Credit: twcert@cert.org.tw

Affected SoftwareAffected VersionHow to fix
Asus ASMB9-IKVM=1.11.12
Asus Asmb9-ikvm Firmware
Asus RS720A-E9-RS24-E=1.10.3
Asus Rs720a-e9-rs24-e Firmware
Asus RS700A-E9-RS4V2=1.10.0
Asus RS700A-E9-RS4V2
Asus RS700-E9-RS4=1.09
Asus Rs700-e9-rs4 Firmware
Asus Esc4000 G4x Firmware=1.11.6
Asus Esc4000 G4x Firmware
Asus RS700-E9-RS12=1.11.5
Asus RS700-E9-RS12
Asus RS100-E10-PI2=1.13.6
Asus RS100-E10-PI2
Asus RS300-E10-PS4=1.13.6
Asus RS300-E10-PS4 Firmware
Asus RS300-E10-RS4=1.13.6
Asus RS300-E10-RS4 Firmware
Asus RS500A-E9-PS4=1.14.1
Asus RS500-E9-PS4
Asus RS500A-E9 RS4 U=1.14.1
Asus RS500A-E9 RS4 U
Asus RS500A-E9-PS4=1.14.1
Asus RS500A-E9 RS4 U Firmware
Asus E700 G4=1.14.1
Asus E700 G4
Asus WS C422 Pro/SE Firmware=1.14.1
Asus WS C422 Pro/SE
Asus Ws X299 Pro/se Firmware=1.14.1
Asus WS X299 Pro/SE
Asus Z11pa-u12 Firmware=1.15.1
Asus Z11pa-u12 Firmware
Asus Z11pa-u12/10g-2s Firmware=1.15.1
Asus Z11pa-u12/10g-2s
Asus Knpa-u16=1.13.4
Asus Knpa-u16 Firmware
Asus Esc4000 Dhd G4=1.13.7
Asus Esc4000 Dhd G4
Asus Esc4000 G4=1.15.2
Asus Esc4000 G4 Firmware
Asus RS720Q-E9-RS24-S Firmware=1.15.0
Asus RS720Q-E9-RS24-S Firmware
Asus RS720Q-E9-RS8=1.15.0
Asus RS720Q-E9-RS8 Firmware
Asus RS720Q-E9-RS8-S=1.15.0
Asus Rs720q-e9-rs24-s
Asus Z11pa-d8=1.14.1
Asus Z11pa-d8 Firmware
Asus Z11pa-d8c Firmware=1.14.1
Asus Z11pa-d8c Firmware
Asus RS720-E9-RS24-U=1.14.3
Asus RS720-E9-RS24-U
Asus RS720-E9-RS8-G=1.15.2
Asus Rs720-e9-rs8-g Firmware
Asus RS500A-E9-PS4=1.15.4
Asus RS500-E9-PS4
Asus Pro E800 G4=1.14.2
Asus Pro E800 G4
Asus RS500-E9-RS4 Firmware=1.15.4
Asus RS500-E9-RS4 Firmware
Asus Rs500-e9-rs4=1.15.4
Asus Rs500-e9-rs4
Asus RS520-E9-RS12-E=1.15.3
Asus RS520-E9-RS12-E Firmware
Asus RS520-E9-RS8=1.15.3
Asus Rs520-e9-rs8 Firmware
Asus Esc8000 G4/10g Firmware=1.15.4
Asus Esc8000 G4/10g Firmware
Asus Esc8000 G4/10g Firmware=1.15.4
Asus Esc8000 G4/10g
Asus RS520-E9-RS12-E Firmware=1.15.2
Asus RS720-E9-RS12-E Firmware
Asus WS C621E Sage=1.15.1
Asus Ws C621e Sage Firmware
Asus RS500A-E10-PS4=1.15.2
Asus Rs500a-e10-ps4 Firmware
Asus RS500A-E10-RS4=1.15.2
Asus RS500A-E10-RS4
Asus RS700A-E9-RS12V2=1.15.1
Asus RS720A-E9-RS12V2
Asus RS700A-E9-RS4V2=1.15.1
Asus RS700A-E9-RS4V2 Firmware
Asus RS720A-E9-RS12V2=1.15.2
Asus RS720A-E9-RS12V2
Asus Rs720a-e9-rs24v2=1.15.1
Asus Rs720a-e9-rs24v2 Firmware
Asus Z11pr-d16=1.15.3
Asus Z11pr-d16 Firmware

Remedy

update BMC's firmwares to the following versions: ESC4000 G4X 1.15.6 RS700-E9-RS12 1.15.4 RS100-E10-PI2 1.15.3 RS300-E10-PS4 1.15.3 RS300-E10-RS4 1.15.3 RS500A-E9-PS4 1.14.2 RS500A-E9-RS4 1.14.2 RS500A-E9 RS4 U 1.14.2 E700 G4 1.14.2 WS C422 PRO/SE 1.14.2 WS X299 PRO/SE 1.14.2 Z11PA-U12 1.15.2 KNPA-U16 1.14.5 ESC4000 DHD G4 1.15.2 ESC4000 G4 1.15.6 RS720Q-E9-RS24-S 1.15.1 RS720Q-E9-RS8 1.15.1 RS720Q-E9-RS8-S 1.15.1 Z11PA-D8 1.15.2 Z11PA-D8C 1.15.2 RS720-E9-RS24-U 1.15.5 RS720-E9-RS8-G 1.15.4 RS500-E9-PS4 1.15.5 Pro E800 G4 1.15.2 RS500-E9-RS4 1.15.5 RS500-E9-RS4-U 1.15.5 RS520-E9-RS12-E 1.15.4 RS520-E9-RS8 1.15.4 ESC8000 G4 1.15.5 ESC8000 G4/10G 1.15.5 RS720-E9-RS12-E 1.15.3 WS C621E SAGE 1.15.3 RS500A-E10-PS4 1.15.3 RS500A-E10-RS4 1.15.3 RS700A-E9-RS12V2 1.15.3 RS700A-E9-RS4V2 1.15.3 RS720A-E9-RS12V2 1.15.3 RS720A-E9-RS24V2 1.15.3 Z11PR-D16 1.15.4

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-28194?

    CVE-2021-28194 is categorized as a buffer overflow vulnerability that can lead to remote code execution if exploited.

  • How do I fix CVE-2021-28194?

    To mitigate CVE-2021-28194, update the affected ASUS BMC firmware to the latest version as recommended by ASUS.

  • Which ASUS firmware versions are affected by CVE-2021-28194?

    The vulnerability impacts multiple ASUS firmware versions, including 1.11.12, 1.10.3, 1.10.0, 1.11.6, and 1.13.6.

  • What are the potential consequences of CVE-2021-28194 exploitation?

    Exploitation of CVE-2021-28194 could allow remote attackers to gain unauthorized access and execute arbitrary code on the targeted devices.

  • Is there any workaround for CVE-2021-28194 prior to applying the patch?

    Until a patch is applied, it is advised to restrict network access to affected devices and monitor for unusual activity.

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