NY.gov Portal State Agency Listing
The following cyber advisory was issued by the New York State Office of Information Technology Services and is intended for State government entities. The information may or may not be applicable to the general public and, accordingly, the State does not warrant its use for any specific purposes.

ITS ADVISORY NUMBER:
2010-050

DATE(S) ISSUED:
7/13/2010

SUBJECT:
Vulnerability in Microsoft Office Outlook Could Allow Remote Code Execution (MS10-045)

OVERVIEW:

A vulnerability has been identified in Microsoft Office Outlook. Microsoft Office Outlook is an email client.  Exploitation of this vulnerability requires that a user open an attachment in a specially crafted e-mail message with a vulnerable version of Microsoft Office Outlook. Successful exploitation of the vulnerability could allow an attacker to gain the same privileges as the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

SYSTEMS AFFECTED:

  • Microsoft Office XP
  • Microsoft Office 2003
  • 2007 Microsoft Office System

RISK:
Government:

  • Large and medium government entities: High
  • Small government entities: High

Businesses:

  • Large and medium business entities: High
  • Small business entities: High

Home users: High

DESCRIPTION:
A vulnerability has been identified in Microsoft Office Outlook which may allow an attacker to take complete control of an affected system. This vulnerability is caused by an error when processing file attachments which are attached using the ATTACH_BY_REFERENCE value of the PR_ATTACH_METHOD property in a specially crafted e-mail message.  Exploitation of this vulnerability requires that a user open an attachment in a specially crafted e-mail message with a vulnerable version of Microsoft Office Outlook. Successful exploitation of the vulnerability could allow an attacker to gain the same privileges as the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

RECOMMENDATIONS:
We recommend the following actions be taken:

  • Apply appropriate patches provided by Microsoft to vulnerable systems immediately after appropriate testing.
  • Remind users not to open e-mail attachments from unknown users or suspicious e-mails from trusted sources.

REFERENCES:

Microsoft:
http://www.microsoft.com/technet/security/bulletin/ms10-045.mspx
http://blogs.technet.com/b/srd/archive/2010/07/13/ms10-045-microsoft-office-outlook-remote-code-execution-vulnerability.aspx

VUPEN:
http://www.vupen.com/english/advisories/2010/1800

CVE:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0266