SB2020081120 - Multiple vulnerabilities in Microsoft Windows WalletService

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-1556)

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows WalletService when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

2) Buffer overflow (CVE-ID: CVE-2020-1533)

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows WalletService when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and 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-2020-1556
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1533