Truecrypt/VeraCrypt Ntdriver.c IsVolumeAccessibleByCurrentUser/MountDevice access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Truecrypt and VeraCrypt. It has been classified as problematic. This affects the function IsVolumeAccessibleByCurrentUser/MountDevice of the file Ntdriver.c. This manipulation causes access control. The identification of this vulnerability is CVE-2015-7359. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Truecrypt and VeraCrypt (unknown version) and classified as problematic. Affected by this vulnerability is the function IsVolumeAccessibleByCurrentUser/MountDevice of the file Ntdriver.c. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The (1) IsVolumeAccessibleByCurrentUser and (2) MountDevice methods in Ntdriver.c in TrueCrypt 7.0, VeraCrypt before 1.15, and CipherShed, when running on Windows, do not check the impersonation level of impersonation tokens, which allows local users to impersonate a user at SecurityIdentify level and gain access to other users' mounted encrypted volumes.

The bug was discovered 09/22/2015. The weakness was shared 10/03/2017 (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2015-7359 since 09/24/2015. An attack has to be approached locally. The requirement for exploitation is a single authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 741 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The entry VDB-107328 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/22/2015 🔍
09/24/2015 +2 days 🔍
10/02/2017 +739 days 🔍
10/03/2017 +1 days 🔍
10/03/2017 +0 days 🔍
12/30/2022 +1914 days 🔍

Sourcesinfo

Advisory: 133877
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7359 (🔍)
GCVE (CVE): GCVE-0-2015-7359
GCVE (VulDB): GCVE-100-107329
See also: 🔍

Entryinfo

Created: 10/03/2017 10:37
Updated: 12/30/2022 14:32
Changes: 10/03/2017 10:37 (58), 11/21/2019 08:27 (1), 12/30/2022 14:32 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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