Amazon Linux 2 : xdg-user-dirs (ALAS-2018-1030)

high Nessus Plugin ID 110447

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

It was found that the system umask policy is not being honored when creating XDG user directories (~/Desktop etc) on first login. This could lead to user's files being inadvertently exposed to other local users.(CVE-2017-15131)

Solution

Run 'yum update xdg-user-dirs' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2018-1030.html

Plugin Details

Severity: High

ID: 110447

File Name: al2_ALAS-2018-1030.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/12/2018

Updated: 8/31/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

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

CVSS v3

Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:xdg-user-dirs, p-cpe:/a:amazon:linux:xdg-user-dirs-debuginfo, cpe:/o:amazon:linux:2

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

Patch Publication Date: 6/7/2018

Reference Information

CVE: CVE-2017-15131

ALAS: 2018-1030