CVE-2015-7359
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.58% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- ciphershed/ciphershed · idrix/veracrypt · truecrypt/truecrypt
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/133877/Truecrypt-7-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2015/09/22/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/09/24/3Issue Tracking, Mailing List, Third Party Advisory
- https://code.google.com/p/google-security-research/issues/detail?id=537Issue Tracking, Third Party Advisory
- https://veracrypt.codeplex.com/wikipage?title=Release%20NotesRelease Notes, Vendor Advisory
- http://packetstormsecurity.com/files/133877/Truecrypt-7-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2015/09/22/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/09/24/3Issue Tracking, Mailing List, Third Party Advisory
- https://code.google.com/p/google-security-research/issues/detail?id=537Issue Tracking, Third Party Advisory
- https://veracrypt.codeplex.com/wikipage?title=Release%20NotesRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.