Type confusion in Ichitaro 2023
Priority HIGH 69CWE-843Published · 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-843 and the CVSS impact.
Summary
An out-of-bounds write vulnerability exists in the "HyperLinkFrame" stream parser of Ichitaro 2023 1.0.1.59372. A specially crafted document can cause a type confusion, which can lead to memory corruption and eventually 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 0.00702 53rd 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Ichitaro 2023 | Ichitaro 2023 | 1.0.1.59372 | — | No fix listed | CNA |
- Ichitaro 2023 VendorIchitaro 2023 Affected 1.0.1.59372 Fixed in — No fix listed CNA
CPE configurations NVD · 19
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:justsystems:easy_postcard_max:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:ichitaro_2021:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:ichitaro_2022:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:ichitaro_2023:1.0.1.59372:*:*:*:*:*:*:* | 1.0.1.59372 | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:ichitaro_government_10:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:ichitaro_government_8:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:ichitaro_government_9:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:ichitaro_pro_3:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:ichitaro_pro_4:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:ichitaro_pro_5:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:justsystems:just_government_3:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:just_government_4:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:just_government_5:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:just_office_3:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:just_office_4:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:just_office_5:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:just_police_3:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:just_police_4:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 2023 |
| cpe:2.3:a:justsystems:just_police_5:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ichitaro 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
- 2026-10-02 Threatist record created from CVE-2023-38128
- 2026-10-03 Alias added: GHSA-f464-84q7-49hm
References
More Ichitaro 2023 Easy Postcard Max vulnerabilities
- TI-2023-19551 Integer overflow in Ichitaro 2023 CVSS 3.1HIGH 7.8
- TI-2023-17575 Improper array index validation in Ichitaro 2023 CVSS 3.1HIGH 7.8
- TI-2023-17197 Use after free in Ichitaro 2023 CVSS 3.1HIGH 7.8
Sources
- CVE-2023-38128 · CVE Program
- CVE-2023-38128 · NVD
- FIRST EPSS
- GHSA-f464-84q7-49hm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences