CVE-2022-43664 — HIGH (7.8)

Vulnerability Description

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.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Justsystems	Ichitaro 2022	1.0.1.57600

Related Weaknesses (CWE)

CWE-416

References

https://jvn.jp/en/jp/JVN79149117/Third Party AdvisoryVDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1673ExploitThird Party Advisory
https://jvn.jp/en/jp/JVN79149117/Third Party AdvisoryVDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1673ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1673

FAQ

What is CVE-2022-43664?

CVE-2022-43664 is a vulnerability with a CVSS score of 7.8 (HIGH). 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, w...

How severe is CVE-2022-43664?

CVE-2022-43664 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-43664?

Check the references section above for vendor advisories and patch information. Affected products include: Justsystems Ichitaro 2022.