Microsoft Security Bulletin: March 30, 2010
Qualys® Vulnerability R&D Lab has released new vulnerability checks in the Qualys Cloud Platform to protect organizations against 8 vulnerabilities that were fixed in 1 bulletin(s) announced today by Microsoft. Customers can immediately audit their networks for these and other new vulnerabilities by accessing their Qualys subscription. Visit our blog to see how to prioritize remediation.
Microsoft has released 1 security bulletin(s) to fix newly discovered flaws in their software. Qualys has released the following checks for these new vulnerabilities:
Microsoft Internet Explorer Cumulative Security Update (MS10-002 and KB979352)
- Urgent 5
- Qualys ID
- Vendor Reference
- KB979352, MS10-002
- CVE Reference
- CVE-2009-4074, CVE-2010-0027, CVE-2010-0244, CVE-2010-0245, CVE-2010-0246, CVE-2010-0247, CVE-2010-0248, CVE-2010-0249
- CVSS Scores
- Base 9.3 / Temporal 7.7
Microsoft Internet Explorer is a Web browser for Microsoft Windows.
Internet Explorer is prone to the following vulnerabilities:
An XSS filter bypass vulnerability exists in the way that Internet Explorer 8 disables an HTML attribute in otherwise appropriately filtered HTTP response data. The vulnerability could allow initially disabled scripts to run in the wrong security context, leading to information disclosure.(CVE-2009-4074).
A remote code execution vulnerability exists in the way that Internet Explorer incorrectly validates input. An attacker could exploit the vulnerability by constructing a specially crafted URL.An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user.(CVE-2010-0027).
Multiple remote code execution vulnerabilities exists in the way that Internet Explorer accesses an object that has not been correctly initialized or has been deleted. An attacker could exploit these vulnerabilities by constructing a specially crafted Web page. When a user views the Web page, the vulnerability could allow remote code execution.(CVE-2010-0244, CVE-2010-0245,CVE-2010-0246,CVE-2010-0247,CVE-2010-0248,CVE-2010-0249).
Microsoft has released a security update that addresses these vulnerabilities by modifying the way that Internet Explorer handles objects in memory, validates input parameters, and filters HTML attributes.
The security update is rated Critical for all supported releases of Internet Explorer: Internet Explorer 5.01, Internet Explorer 6, Internet Explorer 6 Service Pack 1, Internet Explorer 7, and Internet Explorer 8 (except Internet Explorer 6 for supported editions of Windows Server 2003). For Internet Explorer 6 for supported editions of Windows Server 2003 as listed, this update is rated Moderate.
Windows XP Embedded Systems:- For additional information regarding security updates for embedded systems, refer to the following MSDN blog(s):
Note: The Aurora exploit takes advantage of this vulnerability.
Note: This vulnerability is applicable to versions of the software that are not listed in the official advisory.For details see: http://www.qualys.com/research/exploits/#MS10-002
- Successfully exploiting these vulnerabilities could allow a remote attacker to bypass some security restrictions or gain escalated privileges or cause remote code execution in context of affected product.
Following are links for downloading patches to fix the vulnerabilities:
For a complete list of patch download links, please refer to Microsoft Security Bulletin MS10-002. Also refer to Microsoft Security Advisory(979352) to obtain details about a zero day vulnerability that was patched by MS10-002.
- Set Internet and Local intranet security zone settings to "High" to prompt before running ActiveX Controls and Active Scripting
- Configure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone
- Enable DEP for Internet Explorer 6 Service Pack 2 or Internet Explorer 7. See Microsoft Knowledge Base Article 979352 to use the automated Microsoft Fix it solution to enable or disable this workaround.
- Enable or disable ActiveX controls in Office 2007
- Do not open untrusted Microsoft Office files
Refer to the advisory to obtain additional details on applying the workarounds.
These new vulnerability checks are included in Qualys vulnerability signature 1.26.28-3. Each Qualys account is automatically updated with the latest vulnerability signatures as they become available. To view the vulnerability signature version in your account, from the Qualys Help menu, select the About tab.
Selective Scan Instructions Using Qualys
To perform a selective vulnerability scan, configure a scan profile to use the following options:
- Ensure access to TCP ports 135 and 139 are available.
- Enable Windows Authentication (specify Authentication Records).
Enable the following Qualys IDs:
- If you would like the scan to return the Windows Hostname, also include QID 82044 and ensure access to UDP port 137 is available.
- If you would like to be notified if Qualys is unable to log on to a host (if Authentication fails), also include QID 105015.
In addition, prior to running a scan for these new vulnerabilities, you can estimate your exposure to these new threats by running the Risk Analysis Report, available from the Qualys Vulnerability Management Reports tab.
Access for Qualys Customers
For more information, customers may contact Qualys Technical Support.
The Qualys Cloud Platform and its integrated suite of security and compliance applications provides organizations of all sizes with a global view of their security and compliance solutions, while drastically reducing their total cost of ownership. Qualys solutions include: continuous monitoring, vulnerability management, policy compliance, PCI compliance, security assessment questionnaire, web application scanning, web application firewall, malware detection and SECURE Seal for security testing of web sites.