Heap-based buffer overflow in Wibukey - CVE-2018-3991

 

Heap-based buffer overflow in Wibukey - CVE-2018-3991

Published: December 24, 2018


Vulnerability identifier: #VU16678
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-3991
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Wibu Systems
Affected software:
Wibukey

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to heap-based buffer overflow in the WkbProgramLow function of WibuKey Network server management when handling malicious input. A remote attacker can supply a specially crafted TCP package, trigger memory corruption and execute kernel level code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.



How to mitigate CVE-2018-3991

Update to version 6.50.

Sources