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    CVE-2020-6016

    Valve's Game Networking Sockets prior to version v1.2.0 improperly handles unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution.

    Published:Nov 18, 2020
    Last Modified:Nov 21, 2024
    EPS:Nov 18, 2020
    EPSS Score:0.10039
    CVSS Score:9.8

    Affected Products

    Vendor
    Valvesoftware
    Product
    Game Networking Sockets

    Exploits

    https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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