Vulnerability Name:

CVE-2020-5898 (CCN-181935)

Assigned:2020-05-11
Published:2020-05-11
Updated:2020-05-14
Summary: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.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-5898

Source: XF
Type: UNKNOWN
f5-cve20205898-dos(181935)

Source: CCN
Type: F5 Security Advisory K69154630
BIG-IP Edge Client for Windows vulnerability CVE-2020-5898

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K69154630

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and <= 11.6.5.1)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.5.1)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.3.3)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and <= 14.1.2.5)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and <= 15.1.0.3)
  • OR cpe:/a:f5:big-ip_access_policy_manager_client:*:*:*:*:*:*:*:* (Version >= 7.1.5 and <= 7.1.9)

  • Configuration CCN 1:
  • cpe:/a:f5:big-ip_access_policy_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:14.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:15.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:13.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:12.1.5:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:11.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:14.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:13.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:11.6.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager client *
    f5 big-ip access policy manager 12.1.0
    f5 big-ip access policy manager 14.1.0
    f5 big-ip access policy manager 15.0.0
    f5 big-ip access policy manager 13.1.0
    f5 big-ip access policy manager 12.1.5
    f5 big-ip access policy manager 11.6.5
    f5 big-ip access policy manager 14.1.2
    f5 big-ip access policy manager 13.1.3
    f5 big-ip access policy manager 11.6.1