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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

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

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Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:ciphershed:ciphershed::::::::
	cpe:2.3:a:truecrypt:truecrypt:7.0:::::::*
	cpe:2.3:a:idrix:veracrypt::::::::

cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*

Information

Published : 2017-10-02 18:29

Updated : 2021-06-28 11:20

NVD link : CVE-2015-7358

Mitre link : CVE-2015-7358

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

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Products Affected

idrix

veracrypt

microsoft

windows

ciphershed

ciphershed

truecrypt

truecrypt

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