CVE-2015-7358

published 2017-10-03

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…

Priority P3 45 high 7.8 CVSS 3.0

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

EXPLOIT

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

3 ranges

Vendor	Product	Version range	Fixed in
ciphershed	ciphershed	<= 0.7.5.0	—
idrix	veracrypt	<= 1.14	—
truecrypt	truecrypt	—	—

CVSS provenance

nvd v3.0 7.8 HIGH CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.2 HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C

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