CVE-2021-28176: ASUS BMC's firmware: buffer overflow - DNS configuration function
First published: Tue Apr 06 2021(Updated: )
The DNS 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.
Credit: twcert@cert.org.tw
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Asus Z10pr-d16 Firmware | =1.14.51 | |
| Asus Z10pr-d16 | ||
| Asus Asmb8-ikvm Firmware | =1.14.51 | |
| Asus Asmb8-ikvm | ||
| Asus Z10pe-d16 Ws Firmware | =1.14.2 | |
| Asus Z10pe-d16 Ws |
Remedy
update BMC's firmwares to the following versions: Z10PR-D16 1.16.1 ASMB8-iKVM 1.16.1 Z10PE-D16 WS 1.16.1
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Reference Links
Frequently Asked Questions
What is CVE-2021-28176?
CVE-2021-28176 is a Buffer Overflow vulnerability in the DNS configuration function of ASUS BMC's firmware Web management page.
What is the severity of CVE-2021-28176?
CVE-2021-28176 has a severity rating of 4.9 (medium).
Which software versions are affected by CVE-2021-28176?
ASUS Z10pr-d16 Firmware version 1.14.51 and ASUS Asmb8-ikvm Firmware version 1.14.51 are affected.
How can CVE-2021-28176 be exploited?
Remote attackers can exploit CVE-2021-28176 by obtaining privileged permission and using the buffer overflow vulnerability to abnormally terminate the Web service.
Where can I find more information about CVE-2021-28176?
You can find more information about CVE-2021-28176 on the ASUS Product Security Advisory page, the ASUS support website, and the Taiwan Computer Emergency Response Team website.
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