CVE-2021-28187: asus asmb8-ikvm_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2021-28187 is a medium (CVSS 4.9) Classic Buffer Overflow vulnerability in asus asmb8-ikvm_firmware. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.5% of scored vulnerabilities.

Timeline

1. 06-04-2021
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

The specific function in ASUS BMC’s firmware Web management page (Generate new SSL certificate) 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.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.