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    CVE-2012-5821

    Lynx does not verify that the server's certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function.

    Published:Oct 16, 2012
    Last Modified:Apr 11, 2025
    EPS:Nov 4, 2012
    EPSS Score:0.00237
    CVSS Score:5.9

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Lynx
    Product
    Lynx

    Exploits

    http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdfhttp://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

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    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