Amazon Linux AMI : gnupg2 (ALAS-2018-1025)

high Nessus Plugin ID 110199

Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

Unenforced configuration allows for apparently valid certifications actually signed by signing subkeys :

GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey. (CVE-2018-9234)

Solution

Run 'yum update gnupg2' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2018-1025.html

Plugin Details

Severity: High

ID: 110199

File Name: ala_ALAS-2018-1025.nasl

Version: 1.4

Type: local

Agent: unix

Published: 5/30/2018

Updated: 9/30/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-9234

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:gnupg2-debuginfo, p-cpe:/a:amazon:linux:gnupg2, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:gnupg2-smime

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/25/2018

Reference Information

CVE: CVE-2018-9234

ALAS: 2018-1025