Detections
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Amazon Linux AMI : gnupg / gnupg2 (ALAS-2018-1045)

high Nessus Plugin ID 110784

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Synopsis

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

Description

A data validation flaw was found in the way gnupg processes file names during decryption and signature validation. An attacker may be able to inject messages into gnupg verbose message logging which may have the potential to bypass the integrity of signature authentication mechanisms and could have other unintended consequences if applications take action(s) based on parsed verbose gnupg output.
(CVE-2018-12020)

Solution

Run 'yum update gnupg' to update your system.

Run 'yum update gnupg2' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2018-1045.html

Plugin Details

Severity: High

ID: 110784

File Name: ala_ALAS-2018-1045.nasl

Version: 1.6

Type: local

Agent: unix

Published: 6/29/2018

Updated: 9/12/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, 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 Score Source: CVE-2018-12020

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:amazon:linux:gnupg-debuginfo, p-cpe:/a:amazon:linux:gnupg2, p-cpe:/a:amazon:linux:gnupg, p-cpe:/a:amazon:linux:gnupg2-debuginfo, 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/27/2018

Reference Information

CVE: CVE-2018-12020

ALAS: 2018-1045