Body Background
TrendAI™ Zero Day Initiative™ Logo

Microhard Bullet-LTE Basic Authorization Header Stack-based Buffer Overflow Remote Code Execution Vulnerability

August 26th, 2020

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microhard Bullet-LTE. 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.

Additional Details

Fixed in R112


Disclosure Timeline

  • 2020-03-03 - Vulnerability reported to vendor
  • 2020-08-26 - Coordinated public release of advisory
  • 2020-09-17 - Advisory Updated

Credit

Ricky "HeadlessZeke" Lawshae

Back to Advisories

Hero Background

Stand at the front line of proactive security

Trend ZDI connects the experts who discover, remediate, and defend.
Add your voice to the work that pushes attackers back.