SB2017101012 - Multiple vulnerabilities in Microsoft Outlook

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Security restrictions bypass (CVE-ID: CVE-2017-11774)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error when Microsoft Office improperly handles objects in memory. A remote attacker can provide a specially crafted document file, trick the victim into opening it and execute arbitrary commands.

2) Information disclosure (CVE-ID: CVE-2017-11776)

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to an error when Microsoft Outlook fails to establish a secure connection. A remote attacker can obtain the email content of a user.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11774
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11776