SB2020090846 - Privilege escalation in Microsoft WinINet API



SB2020090846 - Privilege escalation in Microsoft WinINet API

Published: September 8, 2020

Security Bulletin ID SB2020090846
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-1012)

The vulnerability allows a remote attacker to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Wininit.dll when handling objects in memory. A remote attacker can trick a victim to open a specially crafted file or visit a malicious webpage, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.


Remediation

Install update from vendor's website.