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    CVE-2020-15888

    Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.

    Published:Jul 6, 2020
    Last Modified:Nov 21, 2024
    EPS:Jul 21, 2020
    EPSS Score:0.01223
    CVSS Score:8.8

    Affected Products

    Vendor
    Lua
    Product
    Lua

    Exploits

    http://lua-users.org/lists/lua-l/2020-07/msg00053.htmlhttp://lua-users.org/lists/lua-l/2020-07/msg00054.htmlhttp://lua-users.org/lists/lua-l/2020-07/msg00071.htmlhttp://lua-users.org/lists/lua-l/2020-07/msg00079.htmlhttp://lua-users.org/lists/lua-l/2020-07/msg00053.htmlhttp://lua-users.org/lists/lua-l/2020-07/msg00054.htmlhttp://lua-users.org/lists/lua-l/2020-07/msg00071.htmlhttp://lua-users.org/lists/lua-l/2020-07/msg00079.html

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers
    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2021-45985 (CVSS 7.5) — In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.…
    CVE-2022-33099 (CVSS 7.5) — An issue in the component luaG_runerror of Lua v5.4.4 and below leads to a heap-buffer overflow when a recursi…
    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