Webmin CGI Command Injection Remote Code Execution Vulnerability

December 20th, 2024
ZDI-24-1725 ZDI-CAN-22346

CVE ID

CVE-2024-12828

CVSS Score

9.9 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Vendors

Webmin

Affected Products

Webmin

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Webmin. Authentication is required to exploit this vulnerability.

The specific flaw exists within the handling of CGI requests. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

Additional Details

Webmin has issued an update to correct this vulnerability. More details can be found at:
https://github.com/webmin/authentic-theme/commit/61e5b10227b50407e3c6ac494ffbd4385d1b59df

Disclosure Timeline

  • 2024-03-28 - Vulnerability reported to vendor
  • 2024-12-20 - Coordinated public release of advisory
  • 2024-12-20 - Advisory Updated

Credit

ptrstr

Back to Advisories