Microsoft Security Advisory (2641690): Fraudulent Digital Certificates Could Allow Spoofing - Versio

Discussion in 'Security Alerts' started by News, Nov 10, 2011.

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    Revision Note: V1.0 (November 10, 2011): Advisory published.
    Summary: Microsoft is aware that DigiCert Sdn. Bhd, a Malaysian subordinate certification authority (CA) under Entrust and GTE CyberTrust, has issued 22 certificates with weak 512 bit keys. These weak encryption keys, when broken, could allow an attacker to use the certificates fraudulently to spoof content, perform phishing attacks, or perform man-in-the-middle attacks against all Web browser users including users of Internet Explorer. While this is not a vulnerability in a Microsoft product, this issue affects all supported releases of Microsoft Windows.

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