Red Hat GlusterFS up to 3.1.2/4.1.4 setxattr(2) GF_XATTR_IOSTATS_DUMP_KEY resource consumption

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5.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Red Hat GlusterFS up to 3.1.2/4.1.4 and classified as problematic. The impacted element is the function setxattr(2). The manipulation of the argument GF_XATTR_IOSTATS_DUMP_KEY leads to resource consumption. This vulnerability is listed as CVE-2018-14659. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Red Hat GlusterFS up to 3.1.2/4.1.4. This issue affects the function setxattr(2). The manipulation of the argument GF_XATTR_IOSTATS_DUMP_KEY with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

The Gluster file system through versions 4.1.4 and 3.1.2 is vulnerable to a denial of service attack via use of the 'GF_XATTR_IOSTATS_DUMP_KEY' xattr. A remote, authenticated attacker could exploit this by mounting a Gluster volume and repeatedly calling 'setxattr(2)' to trigger a state dump and create an arbitrary number of files in the server's runtime directory.

The bug was discovered 10/31/2018. The weakness was presented 10/30/2018 by Michael Hanselmann as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2018-14659 since 07/27/2018. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 118583 (RHEL 7 : glusterfs (RHSA-2018:3432)), 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 176812 (Debian Security Update for glusterfs (DLA 1565-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 hours after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118583) and SecurityFocus (BID 107577†). See VDB-123577, VDB-123573, VDB-123574 and VDB-123575 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118583
Nessus Name: RHEL 7 : glusterfs (RHSA-2018:3432)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Timelineinfo

07/27/2018 🔍
10/30/2018 +96 days 🔍
10/31/2018 +0 days 🔍
10/31/2018 +0 days 🔍
10/31/2018 +0 days 🔍
11/01/2018 +1 days 🔍
11/01/2018 +0 days 🔍
03/21/2019 +140 days 🔍
06/04/2023 +1536 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: RHSA-2018:3431
Researcher: Michael Hanselmann
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-14659 (🔍)
GCVE (CVE): GCVE-0-2018-14659
GCVE (VulDB): GCVE-100-126353
SecurityFocus: 107577 - GlusterFS CVE-2018-10929 Arbitrary Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 11/01/2018 05:45
Updated: 06/04/2023 08:31
Changes: 11/01/2018 05:45 (72), 04/09/2020 10:32 (7), 06/04/2023 08:28 (4), 06/04/2023 08:31 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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