HOMEVULNERABILITIESCVE-2023-22660
HIGH

CVE-2023-22660

CWE-122Published: April 5, 2023· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certain LayoutBox stream record types. A specially crafted document can cause a buffer overflow, leading to memory corruption, which can result in arbitrary code execution.To trigger this vulnerability, the victim would need to open a malicious, attacker-created document.

NVD Source

Technical Analysis

CVE-2023-22660 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

justsystems1 product(s)
ichitaro 2022
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/en/jp/JVN79149117/
ADVISORYhttps://talosintelligence.com/vulnerability_reports/TALOS-2023-1722
ADVISORYhttps://jvn.jp/en/jp/JVN79149117/
ADVISORYhttps://talosintelligence.com/vulnerability_reports/TALOS-2023-1722

All References (5)

→
https://jvn.jp/en/jp/JVN79149117/Third Party Advisory · VDB Entry
→
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1722Exploit · Third Party Advisory
→
https://jvn.jp/en/jp/JVN79149117/Third Party Advisory · VDB Entry
→
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1722Exploit · Third Party Advisory
→
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1722

Quick Facts

CVE IDCVE-2023-22660
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-122
CISA KEVNo
Affected1 vendor(s)
PublishedApr 5, 2023

Related CVEs (CWE-122)

CVE-2022-34819
10.0
CVE-2021-21940
10.0
CVE-2021-25387
10.0
CVE-2025-23123
10.0
CVE-2026-46752
10.0
CVE-2026-44050
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-22660 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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