VDB-116571 · CVE-2018-1088 · RHSA-2018:1524

Gluster 3.x Snapshot Scheduler 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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Gluster 3.x. It has been rated as critical. This issue affects some unknown processing of the component Snapshot Scheduler. Performing a manipulation results in access control. This vulnerability is identified as CVE-2018-1088. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Gluster 3.x. This affects an unknown function of the component Snapshot Scheduler. 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. The summary by CVE is:

A privilege escalation flaw was found in gluster 3.x snapshot scheduler. Any gluster client allowed to mount gluster volumes could also mount shared gluster storage volume and escalate privileges by scheduling malicious cronjob via symlink.

The bug was discovered 04/18/2018. The weakness was released 04/18/2018 (Website). It is possible to read the advisory at access.redhat.com. This vulnerability is uniquely identified as CVE-2018-1088 since 12/04/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 109909 (RHEL 7 : Virtualization (RHSA-2018:1524)), 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 236734 (Red Hat Update for glusterfs (RHSA-2018:1136)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109909). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Gluster

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 109909
Nessus Name: RHEL 7 : Virtualization (RHSA-2018:1524)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52442
OpenVAS Name: Fedora Update for glusterfs FEDORA-2018-6dc9145693
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/04/2017 🔍
04/18/2018 +134 days 🔍
04/18/2018 +0 days 🔍
04/18/2018 +0 days 🔍
04/19/2018 +1 days 🔍
05/15/2018 +26 days 🔍
05/18/2018 +3 days 🔍
02/28/2023 +1747 days 🔍

Sourcesinfo

Advisory: RHSA-2018:1524
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1088 (🔍)
GCVE (CVE): GCVE-0-2018-1088
GCVE (VulDB): GCVE-100-116571

Entryinfo

Created: 04/19/2018 23:11
Updated: 02/28/2023 13:51
Changes: 04/19/2018 23:11 (70), 01/27/2020 17:17 (3), 02/28/2023 13:45 (4), 02/28/2023 13:51 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.