PT-2023-14280 · Unknown · Ichitaro Word Processor 2022

A Member · Published 2023-04-05 · Updated 2023-04-18 · CVE-2022-43664

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Ichitaro Word Processor 2022 version 1.0.1.57600

Description A use-after-free issue exists in the way Ichitaro Word Processor 2022 processes protected documents. This can be triggered by a specially crafted document, leading to the reuse of freed memory, which can cause further memory corruption and potentially result in arbitrary code execution. An attacker can exploit this by providing a malicious document.

Recommendations For Ichitaro Word Processor 2022 version 1.0.1.57600, consider avoiding the use of protected documents until a patch is available. As a temporary workaround, restrict the opening of documents from untrusted sources to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2022-43664

Affected Products

Ichitaro Word Processor 2022

References · 5

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1673 · Exploit
• https://osv.dev/vulnerability/CVE-2022-43664 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-43664 · Security Note
• https://jvn.jp/en/jp/JVN79149117 · Note
• https://t.me/cibsecurity/61480 · Telegram Post