SB2023012708 - Remote code execution in Microsoft Windows Point-to-Point Tunneling Protocol



SB2023012708 - Remote code execution in Microsoft Windows Point-to-Point Tunneling Protocol

Published: January 27, 2023

Security Bulletin ID SB2023012708
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2023-21712)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the Windows Point-to-Point Tunneling Protocol (PPTP) implementation. A remote non-authenticated attacker can send specially crafted packets to the affected RAS server, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.