CVE-2022-43664

2023-04-0515:18:03

CWE-416

talos

www.cve.org

ichitaro word processor

use-after-free vulnerability

memory corruption

arbitrary code execution

specially crafted document

malicious document

cve-2022-43664

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

51.1%

JSON

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.

CNA Affected

[
  {
    "vendor": "Ichitaro",
    "product": "Ichitaro",
    "versions": [
      {
        "version": "2022 1.0.1.57600",
        "status": "affected"
      }
    ]
  }
]