SB2021071602 - Privilege escalation in Microsoft Windows Print Spooler



SB2021071602 - Privilege escalation in Microsoft Windows Print Spooler

Published: July 16, 2021

Security Bulletin ID SB2021071602
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2021-34481)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error when the Windows Print Spooler service improperly performs privileged file operations. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system with SYSTEM privileges.

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


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.