CVE-2011-5095

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    CVE-2011-5095

    Published: 20 Jun 2012Last Modified: 10 Apr 2026

    Summary:

    Details: The Diffie-Hellman key-exchange implementation in OpenSSL 0.9.8, when FIPS mode is enabled, does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-1923.

    References: http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf, http://www.nessus.org/plugins/index.php?view=single&id=53360, https://discussions.nessus.org/thread/3381

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High