SB2018031318 - Privilege escalation in Windows Graphics Component

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Privilege escalation (CVE-ID: CVE-2018-0816)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to improper handling of objects in memory by the Windows Graphics Device Interface (GDI). A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with system privileges.

2) Privilege escalation (CVE-ID: CVE-2018-0817)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to improper handling of objects in memory by the Windows Graphics Device Interface (GDI). A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with system privileges.

3) Privilege escalation (CVE-ID: CVE-2018-0815)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to improper handling of objects in memory by the Windows Graphics Device Interface (GDI). A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with system privileges.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0816
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0817
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0815