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Vulnerability in a Microsoft Common Control Could Allow Security Feature Bypass - Version: 1.0

Discussion in 'Security Updates' started by Microsoft Security, May 13, 2014.

  1. Microsoft Security

    Microsoft Security Guest

    Severity Rating: Important
    Revision Note: V1.0 (May 13, 2014): Bulletin published.
    Summary: This security update resolves one privately reported vulnerability in an implementation of the MSCOMCTL common controls library. The vulnerability could allow security feature bypass if a user views a specially crafted webpage in a web browser capable of instantiating COM components, such as Internet Explorer. In a web-browsing attack scenario, an attacker who successfully exploited this vulnerability could bypass the Address Space Layout Randomization (ASLR) security feature, which helps protect users from a broad class of vulnerabilities. The security feature bypass by itself does not allow arbitrary code execution. However, an attacker could use this ASLR bypass vulnerability in conjunction with another vulnerability, such as a remote code execution vulnerability that could take advantage of the ASLR bypass to run arbitrary code.

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    Microsoft Security, May 13, 2014
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