| Business Impact: |
This vulnerability is present in all supported versions of Microsoft Outlook. The vulnerability was caused by improper verification of the file extension of an attachment in a specially crafted e-mail message, and could be leveraged for code execution when the user attempts to open the attachment. It was privately disclosed to Microsoft, allowing them to provide a patch in coordination with the public disclosure of the vulnerability. At the time of publication, no one had yet published proof-of-concept exploit code nor were there any reports of in-the-wild exploitation. |
| *CVSS: |
Base Score: |
9.3 |
| |
Access Vector: |
Network |
| Access Complexity: |
Medium |
| Authentication: |
None |
| Confidentiality Impact: |
Complete |
| Integrity Impact: |
Complete |
| Availability Impact: |
Complete |
|
|
| Adjusted Temporal Score: |
6.9 |
| |
Exploitability: |
Unproven |
| Remediation Level: |
Official Fix |
| Report Confidence: |
Confirmed |
| Affected Products: |
For a full list of affected versions, see references below. |
| Technical Description: |
Microsoft Office Outlook could allow a remote attacker to execute arbitrary code on the system, caused by a vulnerability regarding improper verification of the file extension of file attachments. By persuading a victim to open an attachment in a specially crafted e-mail message, a remote attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the victim. |
| Remediation: |
A patch was made available on July 13, 2010. |
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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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