CVE-2015-7359

high

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.

References

https://veracrypt.codeplex.com/wikipage?title=Release%20Notes

https://code.google.com/p/google-security-research/issues/detail?id=537

http://www.openwall.com/lists/oss-security/2015/09/24/3

http://www.openwall.com/lists/oss-security/2015/09/22/7

http://packetstormsecurity.com/files/133877/Truecrypt-7-Privilege-Escalation.html

Details

Source: Mitre, NVD

Published: 2017-10-03

Updated: 2021-06-28

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High