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    CVE-2021-33464

    An issue was discovered in yasm version 1.3.0. There is a heap-buffer-overflow in inc_fopen() in modules/preprocs/nasm/nasm-pp.c.

    Published:Jul 26, 2022
    Last Modified:Nov 21, 2024
    EPS:Jul 26, 2022
    EPSS Score:0.00137
    CVSS Score:5.5

    Affected Products

    Vendor
    Tortall
    Product
    Yasm

    Exploits

    https://github.com/yasm/yasm/issues/164https://github.com/yasm/yasm/issues/164

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2023-51258 (CVSS 5.5) — A memory leak issue discovered in YASM v.1.3.0 allows a local attacker to cause a denial of service via the ne…
    CVE-2023-31974 (CVSS 5.5) — yasm v1.3.0 was discovered to contain a use after free via the function error at /nasm/nasm-pp.c. Note: Multip…
    CVE-2023-31973 (CVSS 5.5) — yasm v1.3.0 was discovered to contain a use after free via the function expand_mmac_params at /nasm/nasm-pp.c.…
    CVE-2023-31972 (CVSS 5.5) — yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: M…
    CVE-2021-33461 (CVSS 5.5) — An issue was discovered in yasm version 1.3.0. There is a use-after-free in yasm_intnum_destroy() in libyasm/i…
    CVE-2021-33462 (CVSS 5.5) — An issue was discovered in yasm version 1.3.0. There is a use-after-free in expr_traverse_nodes_post() in liby…
    CVE-2021-33463 (CVSS 5.5) — An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in yasm_expr__copy_except()…
    CVE-2021-33465 (CVSS 5.5) — An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_mmacro() in modul…
    CVE-2021-33466 (CVSS 5.5) — An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_smacro() in modul…
    CVE-2021-33467 (CVSS 5.5) — An issue was discovered in yasm version 1.3.0. There is a use-after-free in pp_getline() in modules/preprocs/n…

    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