SB2020090872 - Information disclosure in Microsoft splwow64

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-0790)

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists in the way splwow64.exe handles certain calls. A local user can leverage behavior of splwow64.exe to escalate privileges on the system.

2) Input validation error (CVE-ID: CVE-2020-0875)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists in the way splwow64.exe handles certain calls. A local user can leverage behavior of splwow64.exe to gain access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0790
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0875