mikrotik routeros CVE-2018-7445 is a vulnerability in Mikrotik Routeros
Published on March 19, 2018

A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overflow occurs before authentication takes place, so it is possible for an unauthenticated remote attacker to exploit it. All architectures and all devices running RouterOS before versions 6.41.3/6.42rc27 are vulnerable.

NVD

Known Exploited Vulnerability

This MikroTik RouterOS Stack-Based Buffer Overflow Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. In MikroTik RouterOS, a stack-based buffer overflow occurs when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system.

The following remediation steps are recommended / required by September 29, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2018-7445 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

What is a Buffer Overflow Vulnerability?

The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

CVE-2018-7445 has been classified to as a Buffer Overflow vulnerability or weakness.


Products Associated with CVE-2018-7445

You can be notified by stack.watch whenever vulnerabilities like CVE-2018-7445 are published in these products:

Mikrotik Routeros
 

What versions of Routeros are vulnerable to CVE-2018-7445?