Information disclosure in Wibukey - CVE-2018-3989

 

Information disclosure in Wibukey - CVE-2018-3989

Published: December 24, 2018


Vulnerability identifier: #VU16680
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-3989
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Wibu Systems
Affected software:
Wibukey

Detailed vulnerability description

The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The weakness exists due to information exposure in the 0x8200E804 IOCTL handler functionality when handling malicious input. A local attacker can use a specially crafted IRP request, cause the driver to return uninitialized memory and disclose kernel memory.

How to mitigate CVE-2018-3989

Update to version 6.50.

Sources