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    CVE-2022-43664

    A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes protected documents. A specially crafted document can trigger reuse of freed memory, which can lead to further memory corruption and potentially result in arbitrary code execution. An attacker can provide a malicious document to trigger this vulnerability.

    Published:Apr 5, 2023
    Last Modified:Feb 10, 2025
    EPS:Apr 5, 2023
    EPSS Score:0.00098
    CVSS Score:7.8

    Affected Products

    Vendor
    Justsystems
    Product
    Ichitaro 2022

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2022-1673https://talosintelligence.com/vulnerability_reports/TALOS-2022-1673

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2023-34366 (CVSS 7.8) — A use-after-free vulnerability exists in the Figure stream parsing functionality of Ichitaro 2023 1.0.1.59372.…
    CVE-2023-38127 (CVSS 7.8) — An integer overflow exists in the "HyperLinkFrame" stream parser of Ichitaro 2023 1.0.1.59372. A specially cra…
    CVE-2023-38128 (CVSS 7.8) — An out-of-bounds write vulnerability exists in the "HyperLinkFrame" stream parser of Ichitaro 2023 1.0.1.59372…
    CVE-2023-35126 (CVSS 7.8) — An out-of-bounds write vulnerability exists within the parsers for both the "DocumentViewStyles" and "Document…
    CVE-2022-45115 (CVSS 7.8) — A buffer overflow vulnerability exists in the Attribute Arena functionality of Ichitaro 2022 1.0.1.57600. A sp…
    CVE-2023-22291 (CVSS 7) — An invalid free vulnerability exists in the Frame stream parser functionality of Ichitaro 2022 1.0.1.57600. A …
    CVE-2023-22660 (CVSS 7) — A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certa…

    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