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

Medium Nessus Plugin ID 119635

Synopsis

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

Description

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 to K73034260: Overview of the BIG-IP system Secure Vault feature.

Impact

BIG-IP, BIG-IQ, F5 iWorkflow, and Enterprise Manager

This vulnerability may allow an attacker to use the clear text passphrases to compromise the SNMP monitoring devices.

Traffix SDC

There is no impact; this F5 product is not affected by this vulnerability.

Solution

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

See Also

https://support.f5.com/csp/article/K42027747

https://support.f5.com/csp/article/K73034260

Plugin Details

Severity: Medium

ID: 119635

File Name: f5_bigip_SOL42027747.nasl

Version: 1.6

Type: local

Published: 2018/12/13

Updated: 2019/07/17

Dependencies: 76940

Configuration: Enable paranoid mode

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

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

CVSS v3.0

Base Score: 7.5

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

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_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:/a:f5:big-ip_webaccelerator, cpe:/h:f5:big-ip

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

Patch Publication Date: 2018/12/11

Vulnerability Publication Date: 2018/12/12

Reference Information

CVE: CVE-2018-15328