January 12, 2010 - Qualys® Vulnerability R&D Lab has released new vulnerability checks in QualysGuard® to protect organizations against 1 vulnerability present in Microsoft Windows that was announced today. Customers can immediately audit their networks for these and other new vulnerabilities by accessing their QualysGuard subscription.
Microsoft has released 1 security patches to fix newly discovered flaws in Microsoft Windows.
Qualys has released the following checks for these new vulnerabilities:
|Microsoft Embedded OpenType Font Engine Remote Code Execution Vulnerability|
|SEVERITY: Urgent 5|
|QUALYS ID: 90575|
|VENDOR REFERENCE: MS10-001|
|CVE REFERENCE: CVE-2010-0018|
|CVSS SCORES: Base 9.3/ Temporal 6.9|
|THREAT: Embedded OpenType (EOT) fonts are a compact form of fonts used for embedding in documents or on Web pages. These fonts may be embedded in certain document formats, such as Word .doc files, or incorporated into Web pages using links to an .eot file located on a Web server.
A remote code execution vulnerability exists in the way that the Microsoft Windows Embedded OpenType (EOT) Font Engine decompresses specially crafted EOT fonts.
Microsoft security update corrects Microtype Express Compressed Fonts Integer Flaw in the LZCOMP Decompressor. (CVE-2010-0018)
This security update is rated Critical for Microsoft Windows 2000, and is rated Low for Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7 and Windows Server 2008 R2.
|IMPACT: An attacker who successfully exploits this vulnerability could take complete control of an affected system.
An attacker could then install programs, view, change, or delete data, or create new accounts with full user rights.
Following are links for downloading patches to fix the vulnerabilities:
Refer to Microsoft Security Bulletin MS10-001 for further details.
Impact of workaround: Web sites making use of embedded font technology will fail to display properly.
2) Deny Access to T2EMBED.DLL
Impact of workaround: Applications that rely on embedded font technology will fail to display properly.
For detailed steps on enabling and disabling the workarounds, refer to Microsoft Security Bulletin MS10-001.
This new vulnerability check is included in Qualys vulnerability signatures v1.24.99-3. Each QualysGuard account is automatically updated with the latest vulnerability signatures as they become available. To view the vulnerability signature version in your account, from the QualysGuard HOME menu, select the Account Info tab.
SELECTIVE SCAN INSTRUCTIONS USING QUALYSGUARD:
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 QualysGuard is unable to logon 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 Matrix Report, available from the QualysGuard HOME page.
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