Debian DSA-4222-1 : gnupg2 - security update

high Nessus Plugin ID 110421

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Synopsis

The remote Debian host is missing a security-related update.

Description

Marcus Brinkmann discovered that GnuPG performed insufficient sanitisation of file names displayed in status messages, which could be abused to fake the verification status of a signed email.

Details can be found in the upstream advisory at https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html

Solution

Upgrade the gnupg2 packages.

For the oldstable distribution (jessie), this problem has been fixed in version 2.0.26-6+deb8u2.

For the stable distribution (stretch), this problem has been fixed in version 2.1.18-8~deb9u2.

Plugin Details

Severity: High

ID: 110421

File Name: debian_DSA-4222.nasl

Version: 1.8

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 6/11/2018

Updated: 5/7/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:gnupg2, cpe:/o:debian:debian_linux:8.0, cpe:/o:debian:debian_linux:9.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/8/2018

Reference Information

CVE: CVE-2018-12020

DSA: 4222

Detections

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