SB2017071117 - Multiple vulnerabilities in Windows kernel

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Memory corruption (CVE-ID: CVE-2017-8561)

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

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

2) Information disclosure (CVE-ID: CVE-2017-8564)

The vulnerability allows a local user to obtain potentially sensitive information.

The vulnerability exists due to Windows kernel fails to properly initialize a memory address. A local user can obtain information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8561
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8564