MikroTik RouterOS Uncontrolled Resource Consumption (CVE-2017-8338)

high Tenable OT Security Plugin ID 502069

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability in MikroTik Version 6.38.5 could allow an unauthenticated remote attacker to exhaust all available CPU via a flood of UDP packets on port 500 (used for L2TP over IPsec), preventing the affected router from accepting new connections; all devices will be disconnected from the router and all logs removed automatically.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

http://seclists.org/fulldisclosure/2017/May/59

https://cxsecurity.com/issue/WLB-2017050062

http://www.nessus.org/u?dceade04

https://www.vulnerability-lab.com/get_content.php?id=2064

Plugin Details

Severity: High

ID: 502069

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 2/27/2024

Updated: 2/28/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2017-8338

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:mikrotik:routeros:6.38.5

Required KB Items: Tenable.ot/MikroTik

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/18/2017

Vulnerability Publication Date: 5/18/2017

Reference Information

CVE: CVE-2017-8338

CWE: 400