VDB-117114 · CVE-2018-1112 · RHSA-2018:1268

glusterfs Server up to 3.10.11/4.0.1 auth.allow access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.9	$0-$5k	0.00

A vulnerability was found in glusterfs Server up to 3.10.11/4.0.1. It has been classified as critical. Affected is an unknown code of the component auth.allow. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

glusterfs server before versions 3.10.12, 4.0.2 is vulnerable when using 'auth.allow' option which allows any unauthenticated gluster client to connect from any network to mount gluster storage volumes. NOTE: this vulnerability exists because of a CVE-2018-1088 regression.

The bug was discovered 04/23/2018. The weakness was shared 04/25/2018 (Website). The advisory is available at access.redhat.com. This vulnerability is traded as CVE-2018-1112 since 12/04/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109443 (RHEL 7 : glusterfs (RHSA-2018:1269)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236757 (Red Hat Update for glusterfs (RHSA-2018:1268)).

Upgrading to version 3.10.12 or 4.0.2 eliminates this vulnerability. A possible mitigation has been published 5 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109443).

Productinfo

Name

glusterfs Server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.0
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 109443
Nessus Name: RHEL 7 : glusterfs (RHSA-2018:1269)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: glusterfs Server 3.10.12/4.0.2

Timelineinfo

12/04/2017 🔍
04/23/2018 +140 days 🔍
04/25/2018 +1 days 🔍
04/25/2018 +0 days 🔍
04/26/2018 +1 days 🔍
04/30/2018 +4 days 🔍
05/01/2018 +1 days 🔍
03/07/2023 +1771 days 🔍

Sourcesinfo

Advisory: RHSA-2018:1268
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1112 (🔍)

Entryinfo

Created: 04/26/2018 08:48
Updated: 03/07/2023 16:52
Changes: 04/26/2018 08:48 (68), 01/31/2020 17:08 (3), 03/07/2023 16:45 (4), 03/07/2023 16:52 (10)
Complete: 🔍