CWE
310
Advisory Published
Updated

CVE-2014-1771

First published: Wed Jun 11 2014(Updated: )

SChannel in Microsoft Internet Explorer 6 through 11 does not ensure that a server's X.509 certificate is the same during renegotiation as it was before renegotiation, which allows man-in-the-middle attackers to obtain sensitive information or modify TLS session data via a "triple handshake attack," aka "TLS Server Certificate Renegotiation Vulnerability."

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Internet Explorer=6
Internet Explorer=7
Internet Explorer=8
Internet Explorer=9
Internet Explorer=10
Internet Explorer=11

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Frequently Asked Questions

  • What is the severity of CVE-2014-1771?

    CVE-2014-1771 has a severity rating of important, indicating significant security risks if exploited.

  • How do I fix CVE-2014-1771?

    To fix CVE-2014-1771, users should install the security updates provided by Microsoft for Internet Explorer versions 6 through 11.

  • Who is affected by CVE-2014-1771?

    CVE-2014-1771 affects users of Microsoft Internet Explorer versions 6, 7, 8, 9, 10, and 11.

  • What type of attack does CVE-2014-1771 enable?

    CVE-2014-1771 enables man-in-the-middle attacks through a method known as a triple handshake attack.

  • What are the consequences of not addressing CVE-2014-1771?

    Failure to address CVE-2014-1771 can lead to the exposure of sensitive information and the potential modification of TLS session data.

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