Microsoft security alert.
November 13, 2007
Advisory overview
Qualys Vulnerability R&D Lab has released new vulnerability checks in the Enterprise TruRisk Platform to protect organizations against 2 vulnerabilities that were fixed in 2 bulletins announced today by Microsoft. Customers can immediately audit their networks for these and other new vulnerabilities by accessing their Qualys subscription. Visit Qualys Security Blog to prioritize remediation.
Non-Qualys customers can audit their network for these and other vulnerabilities by signing up for a Qualys Free Trial, or by trying Qualys Community Edition.
Vulnerability details
Microsoft has released 2 security bulletins to fix newly discovered flaws in their software. Qualys has released the following checks for these new vulnerabilities:
-
Microsoft Windows URL Handling Remote Code Execution Vulnerability (MS07-061)
- Severity
- Urgent 5
- Qualys ID
- 100053
- Vendor Reference
- MS07-061
- CVE Reference
- CVE-2007-3896
- CVSS Scores
- Base 9.3 / Temporal 7.7
- Description
-
Microsoft Windows XP and Windows Server 2003 are vulnerable to a remote code execution issue due to insufficient handling of invalid "%" sequences in "mailto:" and other URI handlers. The vulnerability exists in the Windows file "Shell32.dll", which is included in all supported editions of Windows XP and Windows Server 2003.
This was previously a Zero Day detection.
Windows XP Embedded Systems:- For additional information regarding security updates for embedded systems, refer to the following MSDN blog(s):
December 2007 Monthly Security Updates and Optional Updates are Now Available on the ECE (KB943460)
November 2007 Monthly Security Updates are Now Available on the ECE (KB943460)
- Consequence
- An attacker could attempt to leverage this vulnerability by embedding a specially-crafted URI or URL into an application, and then convincing an unsuspecting user to perform an action that would trigger the vulnerability. As a result, this could allow attackers to execute arbitrary code.
- Solution
-
Patch:
Following are links for downloading patches to fix the vulnerabilities:Windows XP Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=8ba1c2f9-1bde-4e97-b327-21259c5e5104Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=4ef7fdd7-8887-4c64-a70c-c6ae734d7c5fWindows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=e5d8a866-2c1f-4035-8325-c1be61a75c3bWindows Server 2003 x64 Edition and Windows 2003 Server x64 Edition Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=bf26da08-15b8-4d65-ba12-4cc74c7a1326Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium based Systems:
http://www.microsoft.com/downloads/details.aspx?FamilyId=1c055f11-3273-4a4c-a33f-bf61ac9ec4c5Refer to Micrsoft Security Bulletin MS07-061 for further details.
-
Windows DNS Servers Spoofing Vulnerability (MS07-062)
- Severity
- Serious 3
- Qualys ID
- 90415
- Vendor Reference
- MS07-062
- CVE Reference
- CVE-2007-3898
- CVSS Scores
- Base 6.4 / Temporal 5
- Description
- A spoofing vulnerability exists in Windows DNS Servers.
- Consequence
- This vulnerability could allow non-privileged users to send malicious responses to DNS requests, thereby spoofing or redirecting Internet traffic from legitimate locations.
- Solution
-
Patch:
Following are links for downloading patches to fix the vulnerabilities:Microsoft Windows 2000 Server Service Pack 4:
http://www.microsoft.com/downloads/details.aspx?FamilyId=c80fcd9b-d0f8-44db-96fc-bf2ead054ff4Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=ed8e2cb4-bcd9-40fc-9ad6-46b364d0656dWindows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=d1323e14-ffa7-4d03-a2a7-9240c192a75eWindows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems:
http://www.microsoft.com/downloads/details.aspx?FamilyId=f3ad67de-85ad-452d-a1e0-0af3faf969d6Refer to Micrsoft Security Bulletin MS07-062 for further details.
These new vulnerability checks are included in Qualys vulnerability signature 1.18.101-3. 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:
- 100053
- 90415
- 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
Platforms and Platform Identification
Technical Support
For more information, customers may contact Qualys Technical Support.
About Qualys
The Enterprise TruRisk 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.