Check Point Advisories

Microsoft Outlook Express and Windows Mail Integer Overflow (MS10-030; CVE-2010-0816)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-076
Date Published:	11 May 2010
Severity:	Critical
Last Updated:	Wednesday 24 August, 2016
Source:
Industry Reference:	CVE-2010-0816
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?	Microsoft Outlook Express 5.5 Microsoft Outlook Express 6 Microsoft Windows Live Mail Microsoft Windows Mail
Vulnerability Description	Windows Mail (formerly Outlook Express) is an online communication tool for use with Windows. A remote code execution vulnerability has been reported in the way that Windows Mail Client handles specially crafted mail responses. The vulnerability is caused when a common library used by Outlook Express and Windows Mail insufficiently validates network data before using that data to calculate the necessary size of a buffer. An attacker may exploit this issue via a specially crafted POP3 or IMAP response. Successful exploitation of this vulnerability may allow the attacker to execute arbitrary code on a vulnerable system.

Protection Overview

This protection will detect and block malformed POP3 responses.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75 / R71 / R70 / R65

In the IPS tab, click Protections and find the Microsoft Outlook Express and Windows Mail Integer Overflow (MS10-030) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: POP3 Protocol Violation.
Attack Information: Microsoft Outlook Express and Windows Mail integer overflow (MS10-030)