Detections
Analytics

Microhard Bullet-LTE Stack-based Buffer Overflow (CVE-2020-17407)

critical Tenable OT Security Plugin ID 503149

Synopsis

The remote OT asset is affected by a vulnerability.

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microhard Bullet-LTE prior to v1.2.0-r1112. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of authentication headers. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI- CAN-10596.

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

https://www.zerodayinitiative.com/advisories/ZDI-20-1206/

Plugin Details

Severity: Critical

ID: 503149

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 3/24/2025

Updated: 3/24/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS Score Source: CVE-2020-17407

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: cpe:/o:microhardcorp:bullet-lte_firmware

Required KB Items: Tenable.ot/Microhard

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2020

Vulnerability Publication Date: 10/13/2020

Reference Information

CVE: CVE-2020-17407

CWE: 121