Overview
- 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.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 7.2
- Impact score
- 10
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- CWE-264
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ciphershed:ciphershed:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3D960C67-AE15-4CA6-8421-AAD0AEB18E29",
"versionEndIncluding": "0.7.5.0"
},
{
"criteria": "cpe:2.3:a:idrix:veracrypt:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "95F04B78-6A14-4F91-81DA-BF22FC44F692",
"versionEndIncluding": "1.14"
},
{
"criteria": "cpe:2.3:a:truecrypt:truecrypt:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1F9FC5F7-6BCB-4F28-BB8F-C8A5C77662DC"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "2CF61F35-5905-4BA9-AD7E-7DB261D2F256"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
]