SB2021071337 - Multiple vulnerabilities in Microsoft Windows Installer
Published: July 13, 2021
Security Bulletin ID
SB2021071337
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-34511)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the Windows Installer, which leads to security restrictions bypass and privilege escalation.
2) Spoofing attack (CVE-ID: CVE-2021-33765)
The vulnerability allows a local attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in the Windows Installer. A local attacker can spoof page content.
Remediation
Install update from vendor's website.