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May 2011 - Microsoft Releases 2 Security Advisories
Severity
High

Description

Microsoft addresses the following vulnerabilities in its May batch of patches:

  • (MS11-035) Vulnerability in WINS Could Allow Remote Code Execution (2524426)
    Risk Rating: Critical

    This security update addresses a privately reported vulnerability in the Windows Internet Name Service (WINS). If successfully exploited, this could allow a remote malicious user to execute arbitrary code onto an affected user's system. Since WINS is not pre-installed on any affected operating system by default, only systems manually installed with WINS are affected by this issue. Read more here.

  • (MS11-036) Vulnerabilities in Microsoft PowerPoint Could Allow Remote Code Execution (2545814)
    Risk Rating: Important

    This bulletin resolves two privately reported vulnerabilities in Microsoft PowerPoint, which may lead to remote code execution if successfully exploited using a specially crafted PowerPoint file. An attacker could also gain the same user rights as the logged-on user. Users with fewer rights are less impacted compared to those with administrative rights. Installing and configuring Office File Validation (OFV) to prevent the opening of suspicious files can also block attack vectors exploiting these vulnerabilities. Read more here.

Solution

Trend Micro Deep Security shields the following vulnerabilities using the specified rules. Trend Micro customers using OfficeScan with the Intrusion Defense Firewall plugin are also protected from attacks using these vulnerabilities.

Microsoft Bulletin ID Vulnerability ID Identifier & Title IDF First Pattern Version IDF First Pattern Release Version
MS11-035 CVE-2011-1248 1002795 - Microsoft Windows Events 11-015 May 10, 2011
 MS11-036 CVE-2011-1269 1004661 - Microsoft PowerPoint Remote Code Execution Vulnerability 11-015 May10, 2011
  CVE-2011-1270 1004662 - Microsoft PowerPoint Buffer Overrun RCE Vulnerability 11-015 May 10, 2011

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