Detections
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Ubuntu 16.04 LTS : LXD vulnerabilities (USN-2988-1)

medium Nessus Plugin ID 91424

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2988-1 advisory.

 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)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-2988-1

Plugin Details

Severity: Medium

ID: 91424

File Name: ubuntu_USN-2988-1.nasl

Version: 2.10

Type: local

Agent: unix

Published: 6/1/2016

Updated: 8/27/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2016-1582

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:lxd-client, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:lxd, p-cpe:/a:canonical:ubuntu_linux:lxc2, p-cpe:/a:canonical:ubuntu_linux:lxd-tools, p-cpe:/a:canonical:ubuntu_linux:golang-github-lxc-lxd-dev

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 5/31/2016

Vulnerability Publication Date: 6/9/2016

Reference Information

CVE: CVE-2016-1581, CVE-2016-1582

USN: 2988-1