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F5 Networks BIG-IP : BIG-IP APM DTLS vulnerability (K97241515)

high Nessus Plugin ID 122768

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Synopsis

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

Description

When processing fragmentedClientHello messages in a DTLS session TMM may corrupt memory eventually leading to a crash. Only systems offering DTLS connections via APM are impacted. (CVE-2019-6596)

Impact

This vulnerability may allow an attacker to cause a denial-of-service (DoS) on the affected BIG-IP APM system. Only BIG-IP APM systems with DTLS profile enabled are affected.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K97241515.

See Also

https://my.f5.com/manage/s/article/K97241515

Plugin Details

Severity: High

ID: 122768

File Name: f5_bigip_SOL97241515.nasl

Version: 1.6

Type: local

Published: 3/12/2019

Updated: 11/3/2023

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-2019-6596

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:/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: 3/11/2019

Vulnerability Publication Date: 3/13/2019

Reference Information

CVE: CVE-2019-6596