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F5 Networks BIG-IP : BIG-IP ASM vulnerability (K12403422)

high Nessus Plugin ID 118631

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Synopsis

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

Description

When the BIG-IP ASM system processes HTTP requests, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. (CVE-2018-5541)

Impact

BIG-IP

When this vulnerability is exploited, the BIG-IP ASM system may experience a denial of service (DoS). BIG-IP systems that are not provisioned with BIG-IP ASM are not affected.

BIG-IQ, F5 iWorkflow, Enterprise Manager, ARX, and Traffix SDC

There is no impact; these F5 products are not affected by this vulnerability.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K12403422.

See Also

https://my.f5.com/manage/s/article/K12403422

Plugin Details

Severity: High

ID: 118631

File Name: f5_bigip_SOL12403422.nasl

Version: 1.6

Type: local

Published: 11/2/2018

Updated: 11/2/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2018-5541

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:N/I:N/A:H

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: 7/24/2018

Vulnerability Publication Date: 7/25/2018

Reference Information

CVE: CVE-2018-5541