CVE-2016-1572

Publication date 20 January 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.4 · High

Score breakdown

Description

mount.ecryptfs_private.c in eCryptfs-utils does not validate mount destination filesystem types, which allows local users to gain privileges by mounting over a nonstandard filesystem, as demonstrated by /proc/$pid.

Status

Package Ubuntu Release Status
ecryptfs-utils 15.10 wily
Fixed 108-0ubuntu1.1
15.04 vivid
Fixed 107-0ubuntu1.3
14.04 LTS trusty
Fixed 104-0ubuntu1.14.04.4
12.04 LTS precise
Fixed 96-0ubuntu3.5

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
ecryptfs-utils

Severity score breakdown

Parameter Value
Base score 8.4 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-2876-1
    • eCryptfs vulnerability
    • 20 January 2016

Other references