CraftOS-PC 2's improperly sanitizied paths cause filesystem escape (Windows)
Priority LOW 38CWE-22Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
CraftOS-PC 2 is a rewrite of the desktop port of CraftOS from the popular Minecraft mod ComputerCraft using C++ and a modified version of PUC Lua, as well as SDL for drawing. Prior to version 2.8.3, users of CraftOS-PC 2 on Windows can escape the computer folder and access files anywhere without permission or notice by obfuscating `..`s to bypass the internal check preventing parent directory traversal. Version 2.8.3 contains a patch for this issue.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00378 31st percentileScored 2026-11-07
Fix Fixed craftos2 (MCJack123): 2.8.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| MCJack123 | craftos2 | before 2.8.3 | 2.8.3 | Patch available | CNA |
- craftos2 VendorMCJack123 Affected before 2.8.3 Fixed in 2.8.3 Patch available CNA
CPE names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jackmacwindows:craftos-pc_2:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:jackmacwindows:craftos-pc_2:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
- Fix · CNA craftos2 (MCJack123) Fixed in 2.8.3
Timeline
- 2026-10-02 Threatist record created from CVE-2024-43395
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences