Vulnerability in Ciphershed

CVE-2015-7358

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.

EPSS: 0.012 (64.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
  • cve@mitre.org (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2015-7358?
CVE-2015-7358 is a high-severity vulnerability in Ciphershed, classified under CWE-264. CVSS score: 7.8/10. Published 2017-10-03.
How severe is CVE-2015-7358?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2015-7358 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.