CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.4 | $0-$5k | 0.00 |
A vulnerability was found in GlusterFS (version now known). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component FUSE. The manipulation as part of a Request leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:
It was found that an attacker could issue a xattr request via glusterfs FUSE to cause gluster brick process to crash which will result in a remote denial of service. If gluster multiplexing is enabled this will result in a crash of multiple bricks and gluster volumes.
The bug was discovered 02/03/2018. The weakness was disclosed 09/04/2018 by Michael Hanselmann as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2018-10914 since 05/09/2018. The exploitation appears to be easy. The attack can be launched remotely. Required for exploitation is a single authentication. Neither technical details nor an exploit are publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 213 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 117317 (RHEL 7 : Gluster Storage (RHSA-2018:2607)), 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 256518 (CentOS Security Update for glusterfs (CESA-2018:2607)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (117317). The entries 123573, 123574, 123575 and 123576 are pretty similar.
Product
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CNA Base Score: 5.5
CNA Vector (Red Hat, Inc.): 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
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: 117317
Nessus Name: RHEL 7 : Gluster Storage (RHSA-2018:2607)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
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Timeline
02/03/2018 🔍05/09/2018 🔍
09/04/2018 🔍
09/04/2018 🔍
09/05/2018 🔍
09/06/2018 🔍
01/07/2019 🔍
03/21/2019 🔍
05/07/2023 🔍
Sources
Advisory: RHSA-2018:2607Researcher: Michael Hanselmann
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-10914 (🔍)
SecurityFocus: 107577 - GlusterFS CVE-2018-10929 Arbitrary Code Execution Vulnerability
See also: 🔍
Entry
Created: 09/05/2018 06:48Updated: 05/07/2023 08:05
Changes: 09/05/2018 06:48 (73), 03/20/2020 15:39 (7), 05/07/2023 07:59 (4), 05/07/2023 08:05 (11)
Complete: 🔍
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