F5 Networks BIG-IP : BIND vulnerability (K10092301)

Medium Nessus Plugin ID 127495

Synopsis

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

Description

A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1. (CVE-2019-6471)

Impact

A remote attacker, who could cause the BIND resolver to perform queries on a server, which responds deliberately with malformed answers, can cause named to exit and result in a denial-of-service (DoS) condition.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K10092301.

See Also

https://support.f5.com/csp/article/K10092301

Plugin Details

Severity: Medium

ID: 127495

File Name: f5_bigip_SOL10092301.nasl

Version: 1.6

Type: local

Published: 2019/08/12

Updated: 2020/01/06

Dependencies: 76940

Configuration: Enable paranoid mode

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.3

Temporal Score: 3.2

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/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_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

Exploit Ease: No known exploits are available

Patch Publication Date: 2019/07/23

Vulnerability Publication Date: 2019/10/09

Reference Information

CVE: CVE-2019-6471