SB2017071112 - Privilege escalation in Microsoft GDI

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Memory corruption (CVE-ID: CVE-2017-8573)

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

The vulnerability exists due to improper handling of object in memory in Microsoft Graphics Component. A local user can execute arbitrary code on the target system with elevated privileges.

2) Memory corruption (CVE-ID: CVE-2017-8574)

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

The vulnerability exists due to improper handling of object in memory in Microsoft Graphics Component. A local user can execute arbitrary code on the target system with elevated privileges.

3) Memory corruption (CVE-ID: CVE-2017-8556)

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

The vulnerability exists due to improper handling of object in memory in Microsoft Graphics Component. 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-2017-8573
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8574
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8556