CVE-2021-28177 ASUS BMC's firmware: buffer overflow - LDAP configuration function
Remote attackers can cause a buffer overflow in the LDAP configuration function, leading to abnormal termination of the Web service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-28177?
CVE-2021-28177 is a medium-severity memory corruption vulnerability in ASUS BMC firmware for ASMB8-iKVM, published on 6 Apr 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The LDAP 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.
Weakness: CWE-120
Which versions are affected by CVE-2021-28177?
It affects 3 products.
Products include Asus Asmb8-Ikvm Firmware, Asus Z10pe-D16 Ws Firmware, Asus Z10pr-D16 Firmware.
How do I fix CVE-2021-28177?
No fix has been published for CVE-2021-28177 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-28177 being exploited?
There is no known exploitation of CVE-2021-28177 in the wild and no public exploit code.
Other vulnerabilities in ASUS BMC firmware for ASMB8-iKVM
- CVE-2023-26602 Command injection in n/a
- CVE-2021-28203 ASUS BMC's firmware: command injection - Web Set Media Image function
- CVE-2021-28204 ASUS BMC's firmware: command injection - Modify user’s information function
- CVE-2021-28175 ASUS BMC's firmware: buffer overflow - Radius configuration function
- CVE-2021-28176 ASUS BMC's firmware: buffer overflow - DNS configuration function
Sources
Also known as GHSA-7wxq-7p7w-g6p5.