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    CVE-2022-31157

    LTI 1.3 Tool Library is a library used for building IMS-certified LTI 1.3 tool providers in PHP. Prior to version 5.0, the function used to generate random nonces was not sufficiently cryptographically complex. Users should upgrade to version 5.0 to receive a patch. There are currently no known workarounds.

    Published:Jul 15, 2022
    Last Modified:Apr 23, 2025
    EPS:Jul 15, 2022
    EPSS Score:0.00108
    CVSS Score:7.5

    Affected Products

    Vendor
    Packback
    Product
    Lti 1.3 Tool Library

    Exploits

    No exploit reference

    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