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Amazon Linux 2 : fuse (ALAS-2018-1123)

high Nessus Plugin ID 119506

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Synopsis

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

Description

A vulnerability was discovered in fuse. When SELinux is active, fusermount is vulnerable to a restriction bypass. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.(CVE-2018-10906)

Solution

Run 'yum update fuse' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2018-1123.html

Plugin Details

Severity: High

ID: 119506

File Name: al2_ALAS-2018-1123.nasl

Version: 1.2

Type: local

Agent: unix

Published: 12/10/2018

Updated: 4/5/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:fuse, p-cpe:/a:amazon:linux:fuse-debuginfo, p-cpe:/a:amazon:linux:fuse-devel, p-cpe:/a:amazon:linux:fuse-libs, cpe:/o:amazon:linux:2

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: 12/8/2018

Reference Information

CVE: CVE-2018-10906

ALAS: 2018-1123