F5 Networks BIG-IP : BIG-IP DoS profile vulnerability (K88474783)

high Nessus Plugin ID 136146

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

Under certain configurations, the BIG-IP system sends data plane traffic to back-end servers unencrypted, even when a Server SSL profile is applied. (CVE-2020-5879)

Impact

The affected system sends some requests to the back-end server without encryption, possibly leaking sensitive data. Therequests affected by this vulnerability are processed by a virtual server associated with a DoS profile that has a CAPTCHA challenge configured.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K88474783.

See Also

https://my.f5.com/manage/s/article/K88474783

Plugin Details

Severity: High

ID: 136146

File Name: f5_bigip_SOL88474783.nasl

Version: 1.5

Type: local

Published: 4/30/2020

Updated: 11/3/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2020-5879

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:f5:big-ip_application_security_manager, cpe:/h:f5:big-ip

Required KB Items: Host/local_checks_enabled, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Ease: No known exploits are available

Patch Publication Date: 4/29/2020

Vulnerability Publication Date: 4/30/2020

Reference Information

CVE: CVE-2020-5879