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    CVE-2009-0129

    libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.

    Published:Jan 11, 2009
    Last Modified:Apr 23, 2026
    EPS:Jan 15, 2009
    EPSS Score:0.00075
    CVSS Score:5

    Affected Products

    Vendor
    Perl-openssl
    Product
    Libcrypt-openssl-dsa-perl

    Exploits

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511519http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511519

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    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