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TI-2023-17575 Aliases CVE-2023-35126GHSA-c36p-pqfp-h5j2

Improper array index validation in Ichitaro 2023

Priority HIGH 69CWE-129Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-129 and the CVSS impact.

Summary

An out-of-bounds write vulnerability exists within the parsers for both the "DocumentViewStyles" and "DocumentEditStyles" streams of Ichitaro 2023 1.0.1.59372 when processing types 0x0000-0x0009 of a style record with the type 0x2008. A specially crafted document can cause memory corruption, which can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.005 43rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Ichitaro 2023Ichitaro 20231.0.1.59372—No fix listedCNA
  • Ichitaro 2023 VendorIchitaro 2023 Affected 1.0.1.59372 Fixed in — No fix listed CNA

CPE configurations NVD · 19

CPEVersionsRoleVendor
cpe:2.3:a:justsystems:easy_postcard_max:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:ichitaro_2021:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:ichitaro_2022:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:ichitaro_2023:1.0.1.59372:*:*:*:*:*:*:*1.0.1.59372VulnerableIchitaro 2023
cpe:2.3:a:justsystems:ichitaro_government_10:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:ichitaro_government_8:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:ichitaro_government_9:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:ichitaro_pro_3:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:ichitaro_pro_4:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:ichitaro_pro_5:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
  • cpe:2.3:a:justsystems:easy_postcard_max:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:ichitaro_2021:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:ichitaro_2022:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:ichitaro_2023:1.0.1.59372:*:*:*:*:*:*:* Versions 1.0.1.59372 Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:ichitaro_government_10:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:ichitaro_government_8:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:ichitaro_government_9:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:ichitaro_pro_3:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:ichitaro_pro_4:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:ichitaro_pro_5:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:justsystems:just_government_3:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:just_government_4:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:just_government_5:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:just_office_3:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:just_office_4:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:just_office_5:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:just_police_3:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:just_police_4:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
cpe:2.3:a:justsystems:just_police_5:-:*:*:*:*:*:*:*not specified by NVDVulnerableIchitaro 2023
  • cpe:2.3:a:justsystems:just_government_3:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:just_government_4:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:just_government_5:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:just_office_3:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:just_office_4:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:just_office_5:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:just_police_3:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:just_police_4:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023
  • cpe:2.3:a:justsystems:just_police_5:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ichitaro 2023

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-35126
  2. 2026-10-03 Alias added: GHSA-c36p-pqfp-h5j2

References

Sources