CVE-2023-34366
HIGHCVSS 7.8/10EPSS 0.64%
Last modified
CVE-2023-34366 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A use-after-free vulnerability exists in the Figure stream parsing functionality of Ichitaro 2023 1.0.1.59372. A specially crafted document can cause memory corruption, resulting in arbitrary code execution. EPSS estimates a 0.64% chance of exploitation in the next 30 days.
Description
A use-after-free vulnerability exists in the Figure stream parsing functionality of Ichitaro 2023 1.0.1.59372. A specially crafted document can cause memory corruption, resulting in arbitrary code execution. Victim would need to open a malicious file to trigger this vulnerability.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Justsystems | Easy Postcard Max | All versions |
| Justsystems | Ichitaro 2021 | All versions |
| Justsystems | Ichitaro 2022 | All versions |
| Justsystems | Ichitaro 2023 | 1.0.1.59372 |
| Justsystems | Ichitaro Government 10 | All versions |
| Justsystems | Ichitaro Government 8 | All versions |
| Justsystems | Ichitaro Government 9 | All versions |
| Justsystems | Ichitaro Pro 3 | All versions |
| Justsystems | Ichitaro Pro 4 | All versions |
| Justsystems | Ichitaro Pro 5 | All versions |
| Justsystems | Just Government 3 | All versions |
| Justsystems | Just Government 4 | All versions |
| Justsystems | Just Government 5 | All versions |
| Justsystems | Just Office 3 | All versions |
| Justsystems | Just Office 4 | All versions |
| Justsystems | Just Office 5 | All versions |
| Justsystems | Just Police 3 | All versions |
| Justsystems | Just Police 4 | All versions |
| Justsystems | Just Police 5 | All versions |
References
- https://jvn.jp/en/jp/JVN28846531/index.htmlThird Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1758Exploit, Third Party Advisory
- https://jvn.jp/en/jp/JVN28846531/index.htmlThird Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1758Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-34366?
A use-after-free vulnerability exists in the Figure stream parsing functionality of Ichitaro 2023 1.0.1.59372. A specially crafted document can cause memory corruption, resulting in arbitrary code execution. Victim would need to open a malicious file to trigger this vulnerability.
How severe is CVE-2023-34366?
CVE-2023-34366 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.
How do I fix CVE-2023-34366?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-34366?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST