CVE-2015-7358

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 75%
VendorProductVersion
ciphershedciphershed
𝑥
≤ 0.7.5.0
idrixveracrypt
𝑥
≤ 1.14
truecrypttruecrypt
7.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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/