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Ubuntu 8.04 LTS / 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : apt update (USN-1475-1)

high Nessus Plugin ID 59526

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Synopsis

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

Description

Georgi Guninski discovered that APT relied on GnuPG argument order and did not check GPG subkeys when validating imported keyrings via apt-key net-update. While it appears that a man-in-the-middle attacker cannot exploit this, as a hardening measure this update adjusts apt-key to validate all subkeys when checking for key collisions.

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/1475-1/

Plugin Details

Severity: High

ID: 59526

File Name: ubuntu_USN-1475-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 6/15/2012

Updated: 9/19/2019

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:10.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:apt, cpe:/o:canonical:ubuntu_linux:11.04, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:8.04:-:lts, cpe:/o:canonical:ubuntu_linux:11.10

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

Patch Publication Date: 6/14/2012

Vulnerability Publication Date: 6/14/2012

Reference Information

USN: 1475-1