glusterfs Server RPC Request gfs3_lookup_req input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.1 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in glusterfs Server (the affected version unknown). This issue affects the function gfs3_lookup_req
of the component RPC Request Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
A flaw was found in RPC request using gfs3_lookup_req in glusterfs server. An authenticated attacker could use this flaw to leak information and execute remote denial of service by crashing gluster brick process.
The bug was discovered 02/03/2018. The weakness was released 09/04/2018 by Michael Hanselmann as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2018-10927 since 05/09/2018. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Technical details are known, but no exploit is 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). Entries connected to this vulnerability are available at 123577, 123573, 123574 and 123575.
Product
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.2VulDB Meta Temp Score: 7.1
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
CNA Base Score: 7.1
CNA Vector (Red Hat, Inc.): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Exploiting
Class: Input validationCWE: CWE-20
ATT&CK: Unknown
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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Today | unlock | unlock | unlock | unlock |
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: 🔍
Exposure Time: 🔍
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-2018-10927 (🔍)
SecurityFocus: 107577 - GlusterFS CVE-2018-10929 Arbitrary Code Execution Vulnerability
See also: 🔍
Entry
Created: 09/05/2018 06:57Updated: 05/07/2023 08:16
Changes: 09/05/2018 06:57 (74), 03/20/2020 15:46 (7), 05/07/2023 08:15 (4), 05/07/2023 08:16 (11)
Complete: 🔍
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