Amazon Linux AMI : exim (ALAS-2019-1252)

critical Nessus Plugin ID 127075

Synopsis

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

Description

Exim allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain). ( CVE-2019-13917)

Solution

Run 'yum update exim' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2019-1252.html

Plugin Details

Severity: Critical

ID: 127075

File Name: ala_ALAS-2019-1252.nasl

Version: 1.5

Type: local

Agent: unix

Published: 7/26/2019

Updated: 1/6/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:exim, p-cpe:/a:amazon:linux:exim-debuginfo, p-cpe:/a:amazon:linux:exim-greylist, p-cpe:/a:amazon:linux:exim-mon, p-cpe:/a:amazon:linux:exim-mysql, p-cpe:/a:amazon:linux:exim-pgsql, cpe:/o:amazon:linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/25/2019

Vulnerability Publication Date: 7/25/2019

Reference Information

CVE: CVE-2019-13917

ALAS: 2019-1252