Ubuntu 15.10 / 16.04 LTS : lxd vulnerabilities (USN-2988-1)

Ubuntu Security Notice (C) 2016 Canonical, Inc. / NASL script (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Robie Basak discovered that LXD incorrectly set permissions when
setting up a loop based ZFS pool. A local attacker could use this
issue to copy and read the data of any LXD container. (CVE-2016-1581)

Robie Basak discovered that LXD incorrectly set permissions when
switching an unprivileged container into privileged mode. A local
attacker could use this issue to access any world readable path in the
container directory, including setuid binaries. (CVE-2016-1582).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected lxd package.

Risk factor :

Low / CVSS Base Score : 2.1
(CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N)
CVSS Temporal Score : 1.6
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 91424 ()

Bugtraq ID:

CVE ID: CVE-2016-1581
CVE-2016-1582

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