SB2020060919 - Multiple vulnerabilities in Microsoft Windows Installer

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-1312)

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

The vulnerability exists due to the way Windows Installer handles certain filesystem operations. A local user can execute arbitrary code on the target system with elevated privileges.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-1272)

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

The vulnerability exists due to the Windows Installer fails to properly sanitize input leading to an insecure library loading behavior. A local user can execute arbitrary code with elevated system privileges.

3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-1302)

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

The vulnerability exists due to the way Windows Installer handles certain filesystem operations. A local user can execute arbitrary code on the target system with elevated privileges.

4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-1277)

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

The vulnerability exists due to the way Windows Installer handles certain filesystem operations. A local user can execute arbitrary code on the target system with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1312
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1272
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1302
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1277