Access of Uninitialized Pointer in BIG-IP APM and APM Clients - CVE-2020-5898
Published: May 13, 2020
Vulnerability identifier: #VU27876
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-5898
CWE-ID: CWE-824
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: F5 Networks
Affected software:
BIG-IP APM
APM Clients
BIG-IP APM
APM Clients
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to the BIG-IP Edge Client Windows Stonewall driver does not sanitize the pointer received from the userland. A local user can send specially crafted DeviceIoControl requests to a \\.\urvpndrv device and crash the Windows kernel.
How to mitigate CVE-2020-5898
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.