CVE-2020-5898

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

12/05/2020

Last modified:

14/05/2020

Description

In versions 7.1.5-7.1.9, BIG-IP Edge Client Windows Stonewall driver does not sanitize the pointer received from the userland. A local user on the Windows client system can send crafted DeviceIoControl requests to \\.\urvpndrv device causing the Windows kernel to crash.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0

4.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	11.6.1 (including)	11.6.5.1 (including)
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	12.1.0 (including)	12.1.5.1 (including)
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	13.1.0 (including)	13.1.3.3 (including)
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	14.1.0 (including)	14.1.2.5 (including)
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	15.0.0 (including)	15.1.0.3 (including)
cpe:2.3:a:f5:big-ip_access_policy_manager_client::::::::	7.1.5 (including)	7.1.9 (including)

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

https://support.f5.com/csp/article/K69154630