F5 Networks BIG-IP : BIG-IP iRules vulnerability (K54200228)

high Nessus Plugin ID 136140

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Synopsis

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

Description

Malformed input to the DATAGRAM::tcp iRules command within a FLOW_INIT event may lead to a denial of service. (CVE-2020-5877)

Impact

Remote attackers may be able to perform a denial-of-service (DoS) attack on the BIG-IP system.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K54200228.

Plugin Details

Severity: High

ID: 136140

File Name: f5_bigip_SOL54200228.nasl

Version: 1.7

Type: local

Family: F5 Networks Local Security Checks

Published: 4/30/2020

Updated: 11/2/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-5877

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_access_policy_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_application_acceleration_manager, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_application_visibility_and_reporting, cpe:/a:f5:big-ip_domain_name_system, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_link_controller, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_policy_enforcement_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-2020-5877

Detections

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