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Ubuntu 18.04 LTS : GnuPG vulnerability (USN-3853-1)

high Nessus Plugin ID 121095

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3853-1 advisory.

 Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory lookups. A remote attacker could possibly use this issue to cause a denial of service, or perform Cross-Site Request Forgery attacks.

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-3853-1

Plugin Details

Severity: High

ID: 121095

File Name: ubuntu_USN-3853-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 1/11/2019

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2018-1000858

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:gpgconf, p-cpe:/a:canonical:ubuntu_linux:gnupg, p-cpe:/a:canonical:ubuntu_linux:gpgsm, p-cpe:/a:canonical:ubuntu_linux:gpgv-static, p-cpe:/a:canonical:ubuntu_linux:gpgv-win32, p-cpe:/a:canonical:ubuntu_linux:gpg-agent, p-cpe:/a:canonical:ubuntu_linux:gnupg-utils, p-cpe:/a:canonical:ubuntu_linux:gpg, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:gpgv, p-cpe:/a:canonical:ubuntu_linux:gnupg-agent, p-cpe:/a:canonical:ubuntu_linux:gpg-wks-client, p-cpe:/a:canonical:ubuntu_linux:scdaemon, p-cpe:/a:canonical:ubuntu_linux:gpgv-udeb, p-cpe:/a:canonical:ubuntu_linux:gnupg2, p-cpe:/a:canonical:ubuntu_linux:dirmngr, p-cpe:/a:canonical:ubuntu_linux:gpg-wks-server, p-cpe:/a:canonical:ubuntu_linux:gpgv2, p-cpe:/a:canonical:ubuntu_linux:gnupg-l10n

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/10/2019

Vulnerability Publication Date: 12/20/2018

Reference Information

CVE: CVE-2018-1000858

USN: 3853-1