What’s Vulnerable › Vulnerabilities

CVE-2015-7358

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-10-03 · updated 2026-06-17
• Weakness: CWE-264

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.

Affected products

• Ciphershed: through 0.7.5.0
• IDRIX VeraCrypt: through 1.14
• Truecrypt: 7.0

References

• http://packetstormsecurity.com/files/133878/Truecrypt-7-Derived-Code-Windows-Drive-Letter-Symbolic-Link-Creation-Privilege-Escalation.html
• http://www.openwall.com/lists/oss-security/2015/09/22/7
• http://www.openwall.com/lists/oss-security/2015/09/24/3
• https://code.google.com/p/google-security-research/issues/detail?id=538
• https://veracrypt.codeplex.com/wikipage?title=Release%20Notes
• https://www.exploit-db.com/exploits/38403/
• http://packetstormsecurity.com/files/133878/Truecrypt-7-Derived-Code-Windows-Drive-Letter-Symbolic-Link-Creation-Privilege-Escalation.html
• http://www.openwall.com/lists/oss-security/2015/09/22/7
• http://www.openwall.com/lists/oss-security/2015/09/24/3
• https://code.google.com/p/google-security-research/issues/detail?id=538
• https://veracrypt.codeplex.com/wikipage?title=Release%20Notes
• https://www.exploit-db.com/exploits/38403/

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