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    CVE-2020-24371

    lgc.c in Lua 5.4.0 mishandles the interaction between barriers and the sweep phase, leading to a memory access violation involving collectgarbage.

    Published:Jul 15, 2020
    Last Modified:Nov 21, 2024
    EPS:Aug 17, 2020
    EPSS Score:0.00525
    CVSS Score:5.3

    Affected Products

    Vendor
    Lua
    Product
    Lua

    Exploits

    https://www.lua.org/bugs.html#5.4.0-10https://www.lua.org/bugs.html#5.4.0-10

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2022-28805 (CVSS 9.1) — singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup…
    CVE-2021-44647 (CVSS 5.5) — Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can…
    CVE-2021-44964 (CVSS 6.3) — Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to …
    CVE-2021-43519 (CVSS 5.5) — Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of S…
    CVE-2021-32921 (CVSS 5.9) — An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing cert…
    CVE-2021-32918 (CVSS 7.5) — An issue was discovered in Prosody before 0.11.9. Default settings are susceptible to remote unauthenticated d…
    CVE-2020-24369 (CVSS 7.5) — ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading t…
    CVE-2020-24370 (CVSS 5.3) — ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstra…

    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