Wibu-Systems WibuKey Runtime Untrusted Pointer Dereference Local Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on affected installations of Wibu-Systems WibuKey Runtime. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the Wibukey2_64.sys driver. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Additional Details
Wibu-Systems has issued an update to correct this vulnerability. More details can be found at:
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-100031.pdf
Disclosure Timeline
- 2025-07-22 - Vulnerability reported to vendor
- 2025-11-25 - Coordinated public release of advisory
- 2025-11-25 - Advisory Updated
Credit
김명규
