The (1) IsVolumeAccessibleByCurrentUser and (2) MountDevice methods in Ntdriver.c in...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://code.google.com/p/google-security-research/issues/detail?id=537
- https://veracrypt.codeplex.com/wikipage?title=Release%20Notes
- http://packetstormsecurity.com/files/133877/Truecrypt-7-Privilege-Escalation.html
- http://www.openwall.com/lists/oss-security/2015/09/24/3
- http://www.openwall.com/lists/oss-security/2015/09/22/7
Affected Vendor
ciphershed
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.