SB2017120701 - Remote code execution in Microsoft Malware Protection Engine

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Memory corruption (CVE-ID: CVE-2017-11937)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when scanning by the target Microsoft Malware Protection Engine. A remote attacker can trick the victim into opening a specially crafted file, trigger memory corruption and execute arbitrary code with LocalSystem privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Memory corruption (CVE-ID: CVE-2017-11940)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when scanning by the target Microsoft Malware Protection Engine. A remote attacker can trick the victim into opening a specially crafted file, trigger memory corruption and execute arbitrary code with LocalSystem privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11937
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11940