# CVE-2022-36344: Privilege escalation in JustSystems JUST Online Update for J-License'

> An attacker can execute arbitrary code with Windows service privileges by placing a malicious file in an unquoted search path used by the JUST Online Update tool.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Aug 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-xqgw-r8h6-587w

## What is CVE-2022-36344?

CVE-2022-36344 is a critical vulnerability in JustSystems JUST Online Update for J-License', published on 16 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An unquoted search path vulnerability exists in 'JustSystems JUST Online Update for J-License' bundled with multiple products for corporate users as in Ichitaro through Pro5 and others. Since the affected product starts another program with an unquoted file path, a malicious file may be executed with the privilege of the Windows service if it is placed in a certain path. Affected products are bundled with the following product series: Office and Office Integrated Software, ATOK, Hanako, JUST PDF, Shuriken, Homepage Builder, JUST School, JUST Smile Class, JUST Smile, JUST Frontier, JUST Jump, and Tri-De DetaProtect.

Weakness: CWE-428 (Unquoted Search Path or Element)

## Which versions are affected by CVE-2022-36344?

It affects 60 products.


Products: Justsystems Atok Medical 2, Justsystems Atok Medical 3, Justsystems Atok Pro 3, Justsystems Atok Pro 4, Justsystems Atok Pro 5, Justsystems Hanako Police 5, Justsystems Hanako Police 6, Justsystems Hanako Police 7, Justsystems Hanako Pro 3, Justsystems Hanako Pro 4, Justsystems Hanako Pro 5, Justsystems Homepage Builder 20, Justsystems Homepage Builder 21, Justsystems Homepage Builder 22, Justsystems Ichitaro Government 10, Justsystems Ichitaro Government 8, Justsystems Ichitaro Government 9, Justsystems Ichitaro Pro 3, Justsystems Ichitaro Pro 4, Justsystems Ichitaro Pro 5 and 40 more.

## How do I fix CVE-2022-36344?

No fix has been published for CVE-2022-36344 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-36344 being exploited?

There is no known exploitation of CVE-2022-36344 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-36344 and fix it if it is affected.

What it is: CVE-2022-36344 is a critical vulnerability in JustSystems JUST Online Update for J-License', published on 16 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-36344 in the wild and no public exploit code.

Affected product: JustSystems JUST Online Update for J-License'. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-36344/ (Markdown: https://insights.sbomify.com/CVE-2022-36344/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-36344
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-36344
- OSV: https://osv.dev/vulnerability/CVE-2022-36344

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-36344/
Summaries are generated and may contain mistakes; the official description above is the record.