Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 75.4%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 7.2
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/
Products affected by CVE-2015-7358
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cpe:2.3:a:ciphershed:ciphershed:0.7.5.0
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cpe:2.3:a:idrix:veracrypt:1.0a
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cpe:2.3:a:idrix:veracrypt:1.0b
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cpe:2.3:a:idrix:veracrypt:1.0c
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cpe:2.3:a:idrix:veracrypt:1.0d
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cpe:2.3:a:idrix:veracrypt:1.0e
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cpe:2.3:a:idrix:veracrypt:1.0f
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cpe:2.3:a:idrix:veracrypt:1.0f-1
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cpe:2.3:a:idrix:veracrypt:1.0f-2
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cpe:2.3:a:idrix:veracrypt:1.12
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cpe:2.3:a:idrix:veracrypt:1.13
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cpe:2.3:a:idrix:veracrypt:1.14
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cpe:2.3:a:truecrypt:truecrypt:7.0
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cpe:2.3:o:microsoft:windows:-
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cpe:2.3:o:microsoft:windows:1.0
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cpe:2.3:o:microsoft:windows:2.0
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cpe:2.3:o:microsoft:windows:2000
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cpe:2.3:o:microsoft:windows:3.0
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cpe:2.3:o:microsoft:windows:3.1
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cpe:2.3:o:microsoft:windows:3.11
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cpe:2.3:o:microsoft:windows:server_2008
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cpe:2.3:o:microsoft:windows:vista