glusterfs Server RPC Request gfs3_rename_req access control

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in glusterfs Server. It has been declared as critical. Affected is the function gfs3_rename_req of the component RPC Request Handler. Such manipulation leads to access control. This vulnerability is traded as CVE-2018-10930. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in glusterfs Server (version now known) and classified as critical. Affected by this issue is the function gfs3_rename_req of the component RPC Request Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in RPC request using gfs3_rename_req in glusterfs server. An authenticated attacker could use this flaw to write to a destination outside the gluster volume.

The bug was discovered 02/03/2018. The weakness was shared 09/04/2018 by Michael Hanselmann as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2018-10930 since 05/09/2018. The exploitation is known to be easy. The attack may be launched remotely. Required for exploitation is a simple authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

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 databases at Tenable (117317) and SecurityFocus (BID 107577†). The entries VDB-123577, VDB-123573, VDB-123574 and VDB-123575 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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: 🔍

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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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

02/03/2018 🔍
05/09/2018 +94 days 🔍
09/04/2018 +118 days 🔍
09/04/2018 +0 days 🔍
09/05/2018 +1 days 🔍
09/06/2018 +1 days 🔍
01/07/2019 +123 days 🔍
03/21/2019 +73 days 🔍
05/07/2023 +1508 days 🔍

Sourcesinfo

Advisory: RHSA-2018:2607
Researcher: Michael Hanselmann
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10930 (🔍)
GCVE (CVE): GCVE-0-2018-10930
GCVE (VulDB): GCVE-100-123584
SecurityFocus: 107577 - GlusterFS CVE-2018-10929 Arbitrary Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 09/05/2018 06:59
Updated: 05/07/2023 08:30
Changes: 09/05/2018 06:59 (74), 03/20/2020 15:50 (7), 05/07/2023 08:27 (4), 05/07/2023 08:30 (11)
Complete: 🔍
Cache ID: 216::103

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