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    CVE-2017-12868

    The secureCompare method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.13 and earlier, when used with PHP before 5.6, allows attackers to conduct session fixation attacks or possibly bypass authentication by leveraging missing character conversions before an XOR operation.

    Published:Sep 1, 2017
    Last Modified:Apr 20, 2025
    EPS:Sep 1, 2017
    EPSS Score:0.00716
    CVSS Score:9.8

    Affected Products

    Vendor
    Php
    Product
    Php
    Vendor
    Simplesamlphp
    Product
    Simplesamlphp

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-384 Session Fixation

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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