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    CVE-2018-19974

    In YARA 3.8.1, bytecode in a specially crafted compiled rule can read uninitialized data from VM scratch memory in libyara/exec.c. This can allow attackers to discover addresses in the real stack (not the YARA virtual stack).

    Published:Dec 17, 2018
    Last Modified:Nov 21, 2024
    EPS:Dec 17, 2018
    EPSS Score:0.00269
    CVSS Score:5.5

    Affected Products

    Vendor
    Virustotal
    Product
    Yara

    Exploits

    https://bnbdr.github.io/posts/extracheese/https://github.com/VirusTotal/yara/issues/999https://github.com/bnbdr/swisscheese/https://bnbdr.github.io/posts/extracheese/https://github.com/VirusTotal/yara/issues/999https://github.com/bnbdr/swisscheese/

    Common Weakness Enumeration

    CWE-908 Use of Uninitialized Resource

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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