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Ubuntu 16.10 : apt regression (USN-3156-2)

high Nessus Plugin ID 96035

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Synopsis

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

Description

USN-3156-1 fixed vulnerabilities in APT. It also caused a bug in unattended-upgrades on that may require manual intervention to repair.

Users on Ubuntu 16.10 should run the following commands at a terminal :

sudo dpkg --configure --pending sudo apt-get -f install

This update fixes the problem.

We apologize for the inconvenience.

Jann Horn discovered that APT incorrectly handled InRelease files. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could potentially be used to install altered packages.

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 apt package.

See Also

https://usn.ubuntu.com/3156-2/

Plugin Details

Severity: High

ID: 96035

File Name: ubuntu_USN-3156-2.nasl

Version: 3.9

Type: Local

Agent: unix

Published: 12/20/2016

Updated: 4/2/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.10, p-cpe:/a:canonical:ubuntu_linux:apt

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

Patch Publication Date: 12/16/2016

Vulnerability Publication Date: 12/16/2016

Reference Information

USN: 3156-2