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F5 Networks BIG-IP : BIG-IP Azure cloud vulnerability (K61757346)

critical Nessus Plugin ID 100331

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Synopsis

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

Description

In some circumstances, a BIG-IP Azure cloud instance may contain a default administrative password which can be used to remotely log in to the BIG-IP system.

The affected administrative account is the Azure instance administrative user created at deployment. The root and admin accounts are not vulnerable.

This issue only affects BIG-IP Virtual Edition (VE) Azure instances and Azure Web Application Firewall solutions on the Azure Marketplace.
This issue does not affect BIG-IP VE instances on any other cloud services. All BIG-IP VE Azure instances licensed for any product are affected by this vulnerability, except :

Instances deployed using solution templates.

Instances deployed using a password rather than public key for the user-defined account during provisioning.

Note : For more information about deploying instances using solution templates, refer to the DevCentral Deploy BIG-IP VE in Microsoft Azure Using an ARM Template article. A DevCentral login is required to access this content.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K61757346.

See Also

http://www.nessus.org/u?ced7282b

http://www.nessus.org/u?1e9fb454

https://support.f5.com/csp/article/K61757346

Plugin Details

Severity: Critical

ID: 100331

File Name: f5_bigip_SOL61757346.nasl

Version: 3.8

Type: local

Published: 5/23/2017

Updated: 7/17/2019

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/a:f5:big-ip_link_controller, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_application_acceleration_manager

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/22/2017

Vulnerability Publication Date: 5/23/2017

Reference Information

CVE: CVE-2017-6131