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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : AppArmor update (USN-3784-1)

high Nessus Plugin ID 117934

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3784-1 advisory.

 As a security improvement, this update adjusts the private-files abstraction to disallow writing to thumbnailer configuration files. Additionally adjust the private-files, private-files-strict and user- files abstractions to disallow writes on parent directories of sensitive files.

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.

See Also

https://ubuntu.com/security/notices/USN-3784-1

Plugin Details

Severity: High

ID: 117934

File Name: ubuntu_USN-3784-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 10/5/2018

Updated: 8/27/2024

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:apparmor-profiles, p-cpe:/a:canonical:ubuntu_linux:python3-apparmor, p-cpe:/a:canonical:ubuntu_linux:apparmor-notify, p-cpe:/a:canonical:ubuntu_linux:dh-apparmor, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python-libapparmor, p-cpe:/a:canonical:ubuntu_linux:libapparmor1, p-cpe:/a:canonical:ubuntu_linux:apparmor-utils, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libapparmor-perl, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-apparmor, p-cpe:/a:canonical:ubuntu_linux:apparmor, p-cpe:/a:canonical:ubuntu_linux:python3-libapparmor, p-cpe:/a:canonical:ubuntu_linux:python-apparmor, p-cpe:/a:canonical:ubuntu_linux:apparmor-easyprof, p-cpe:/a:canonical:ubuntu_linux:libapparmor-dev, p-cpe:/a:canonical:ubuntu_linux:libpam-apparmor

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/4/2018

Vulnerability Publication Date: 10/4/2018

Reference Information

USN: 3784-1