F5 Networks BIG-IP : BIG-IP SNMP vulnerability (K42027747)

high Nessus Plugin ID 119635

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Synopsis

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

Description

The version of F5 Networks BIG-IP installed on the remote host is prior to 14.1.0. It is, therefore, affected by a vulnerability as referenced in the K42027747 advisory.

The passphrases for SNMPv3 users and trap destinations that are used forauthentication and privacy are not handled by the BIG-IP system Secure Vault feature; they are written in the clear to the various configuration files.(CVE-2018-15328)Note: The BIG-IP system Secure Vault feature provides an additional layer of security to the BIG-IP system by encrypting passwords and passphrases, which the system stores in its configuration files. For more information, refer toK73034260: Overview of the BIG-IP system Secure Vault feature.ImpactBIG-IP, BIG-IQ, F5 iWorkflow, and Enterprise ManagerThis vulnerability may allow an attacker to use the clear text passphrases to compromise the SNMP monitoring devices.Traffix SDCThere is no impact; this F5 product is not affected by this vulnerability.

Tenable has extracted the preceding description block directly from the F5 Networks BIG-IP security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K42027747.

Plugin Details

Severity: High

ID: 119635

File Name: f5_bigip_SOL42027747.nasl

Version: 1.10

Type: Local

Family: F5 Networks Local Security Checks

Published: 12/13/2018

Updated: 3/26/2026

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:P/I:N/A:N

CVSS Score Source: CVE-2018-15328

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_link_controller, cpe:/a:f5:big-ip_application_visibility_and_reporting, cpe:/a:f5:big-ip_domain_name_system, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_application_security_manager, 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_global_traffic_manager, cpe:/a:f5:big-ip_application_acceleration_manager, cpe:/a:f5:big-ip_webaccelerator

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: 12/11/2018

Vulnerability Publication Date: 12/12/2018

Reference Information

CVE: CVE-2018-15328

Detections

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