CVE-2015-7358

7.8 HIGH
Published: October 03, 2017 Modified: May 13, 2026
View on NVD

Description

The IsDriveLetterAvailable method in Driver/Ntdriver.c in TrueCrypt 7.0, VeraCrypt before 1.15, and CipherShed, when running on Windows, does not properly validate drive letter symbolic links, which allows local users to mount an encrypted volume over an existing drive letter and gain privileges via an entry in the /GLOBAL?? directory.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/133878/Truecrypt-7-Derived-Code-Windows-Drive-Letter-Symbolic-Link-Creation-Privilege-Escalation.html
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2015/09/22/7
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/09/24/3
Source: cve@mitre.org
Issue Tracking Mailing List Third Party Advisory
https://code.google.com/p/google-security-research/issues/detail?id=538
Source: cve@mitre.org
Third Party Advisory
https://veracrypt.codeplex.com/wikipage?title=Release%20Notes
Source: cve@mitre.org
Release Notes Vendor Advisory
https://www.exploit-db.com/exploits/38403/
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/133878/Truecrypt-7-Derived-Code-Windows-Drive-Letter-Symbolic-Link-Creation-Privilege-Escalation.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2015/09/22/7
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/09/24/3
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Mailing List Third Party Advisory
https://code.google.com/p/google-security-research/issues/detail?id=538
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://veracrypt.codeplex.com/wikipage?title=Release%20Notes
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://www.exploit-db.com/exploits/38403/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
1.2%
64th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-264

Affected Vendors

microsoft ciphershed truecrypt idrix

Related CVEs

CVE-2026-58138 9.8
CVE-2026-10513 7.2
CVE-2026-9263 6.5
CVE-2026-8864 N/A
CVE-2026-58377 8.1