SB2018111319 - Multiple vulnerabilities in Microsoft Windows win32k component

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2018-8565)

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to component improper providing of kernel information by the win32k component. A local attacker can run a specially crafted application and gain unauthorized access to sensitive information on the system.

2) Privilege escalation (CVE-ID: CVE-2018-8562)

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

The vulnerability exists due to improper handling of objects in memory by the win32k component. A local attacker can run a specially crafted application and execute arbitrary code with elevated privileges

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8565
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8562