ASUS BMC's firmware: buffer overflow - Active Directory configuration function
CVE-2021-28197

4.9MEDIUM

Key Information:

Vendor
Asus
Status
Bmc Firmware For Asmb9-ikvm
Bmc Firmware For Rs720a-e9-rs24-e
Bmc Firmware For Rs700a-e9-rs4
Bmc Firmware For Rs700-e9-rs4
Vendor
CVE Published:
6 April 2021

Summary

The Active Directory configuration function in ASUS BMC’s firmware Web management page 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.

Affected Version(s)

BMC firmware for ASMB9-iKVM 1.11.12

BMC firmware for E700 G4 1.14.1

BMC firmware for ESC4000 DHD G4 1.13.7

References

https://www.asus.com/content/ASUS-Product-Security-Advisory/
x_refsource_MISC
https://www.asus.com/tw/support/callus/
x_refsource_MISC
https://www.twcert.org.tw/tw/cp-132-4567-34350-1.html
x_refsource_MISC

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.