Ubuntu 14.04 LTS : eCryptfs vulnerability (USN-2876-1)

high Nessus Plugin ID 88040

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-2876-1 advisory.

Jann Horn discovered that mount.ecryptfs_private would mount over certain directories in the proc filesystem. A local attacker could use this to escalate their privileges. (CVE-2016-1572)

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

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

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 88040

File Name: ubuntu_USN-2876-1.nasl

Version: 2.15

Type: local

Agent: unix

Family: Ubuntu Local Security Checks

Published: 1/21/2016

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2016-1572

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.3

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libecryptfs0, p-cpe:/a:canonical:ubuntu_linux:python-ecryptfs, p-cpe:/a:canonical:ubuntu_linux:ecryptfs-utils, p-cpe:/a:canonical:ubuntu_linux:libecryptfs-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: 1/20/2016

Vulnerability Publication Date: 1/22/2016

Reference Information

CVE: CVE-2016-1572

USN: 2876-1

Detections

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