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SUSE SLED15 / SLES15 Security Update : fuse (SUSE-SU-2018:3260-1)

high Nessus Plugin ID 120136

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for fuse fixes the following issues :

CVE-2018-10906: fusermount was vulnerable to a restriction bypass when SELinux is active. This allowed 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 (bsc#1101797)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2340=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1101797

https://www.suse.com/security/cve/CVE-2018-10906/

http://www.nessus.org/u?45dec9c9

Plugin Details

Severity: High

ID: 120136

File Name: suse_SU-2018-3260-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 1/2/2019

Updated: 7/10/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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 Score Source: CVE-2018-10906

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:novell:suse_linux:libfuse2, p-cpe:/a:novell:suse_linux:libulockmgr1, p-cpe:/a:novell:suse_linux:fuse-devel, p-cpe:/a:novell:suse_linux:fuse, p-cpe:/a:novell:suse_linux:libfuse2-debuginfo, p-cpe:/a:novell:suse_linux:fuse-debuginfo, p-cpe:/a:novell:suse_linux:libulockmgr1-debuginfo, p-cpe:/a:novell:suse_linux:fuse-debugsource, p-cpe:/a:novell:suse_linux:fuse-doc, cpe:/o:novell:suse_linux:15

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/19/2018

Vulnerability Publication Date: 7/24/2018

Reference Information

CVE: CVE-2018-10906