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Vulnerability: MS09-002. Critical Cumulative Security Update for Internet Explorer (961260)
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| Details | |
|---|---|
| Vulnerability name/brief description | Critical Cumulative Security Update for Internet Explorer (961260) - MS09-002 |
| CVE/CAN name | CVE-2009-0075, CVE-2009-0076 |
| Vendor threat level | Critical |
| SophosLabs threat level | High |
| Solution | Users are advised to apply the vendor patch for MS09-002 . |
| Vendor description | This security update resolves two privately reported vulnerabilities. The vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. |
| SophosLabs comments | The patched vulnerabilities may result in remote code execution. They can be exploited by enticing the user to open specially crafted Web pages. The vulnerability has been assigned a high threat level. |
| SophosLabs testing result | N/A |
| Currently known exploits | SophosLabs has received and verified reports of this vulnerability being actively exploited by malicious web pages. Users of Sophos products are protected against exploitation by known samples using proactive protection reported as Mal/JsShell-B. At the time of writing this analysis the Windows executable payloads downloaded by current exploits were detected by Sophos products as Mal/Behav-116. Users are advised to apply the patch for this vulnerability as soon as possible. |
| First sample seen | N/A |
| Discovery date | 10 February 2009 |
| Affected software | Internet Explorer 7 |
| References | http://www.microsoft.com/technet/security/bulletin/ms09-002.mspx |
| Credits | |
| Revisions | 17 February 2009 - added details of exploit discovered sample 10 February 2009 - initial analysis written |
Explanation of terms
Vulnerability Name/Brief Description:
Vendor identifier plus a brief description of the type of attack.
CVE/CAN Name:
Currently assigned CVE name. If a CVE name doesn't exist the CAN name will be used until a CVE has been assigned.
Vendor Threat Level:
Threat level assigned by the vendor
SophosLabs Threat Level:
Threat level assigned by SophosLabs
- LOW RISK - There is little chance of this vulnerability being actively exploited by malware.
- MEDIUM RISK - There is a possibility of this vulnerability being actively exploited by malware.
- HIGH RISK - There is a strong possibility of this vulnerability being actively exploited by malware.
- CRITICAL RISK - This vulnerability will almost certainly be actively exploited by malware.
Solution:
Vendor-supplied Patch identifier and recommended solution, or workaround if applicable.
Vendor Description:
Summary of the cause and potential effect of the vulnerability provided by the vendor.
SophosLabs Comments:
SophosLabs' opinions and observations of the vulnerability in question.
SophosLabs Testing Result:
Details of completed lab testing, if applicable. Please note that the lab test environment may differ significantly from user environments.
Currently Known Exploits:
List of identities for known exploits, if applicable.
First Sample Seen:
Date of the first sample seen by SophosLabs.
Discovery Date:
Date of the earliest known publically disclosed advisory.
Affected Software:
Vulnerable platforms and software versions.
If you need more information or guidance, then please contact technical support.
- Article ID: 52759
- Created: 11 Feb 2009
- Last updated: 17 Feb 2009
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