VMware ESXi 6.5/6.7 vmxnet3 Virtual Network Adapter information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in VMware ESXi 6.5/6.7. This affects an unknown function of the component vmxnet3 Virtual Network Adapter. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2018-6982. The attack may be performed from remote. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in VMware ESXi 6.5/6.7 (Virtualization Software) and classified as problematic. This vulnerability affects an unknown function of the component vmxnet3 Virtual Network Adapter. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

VMware ESXi 6.7 without ESXi670-201811401-BG and VMware ESXi 6.5 without ESXi650-201811301-BG contain uninitialized stack memory usage in the vmxnet3 virtual network adapter which may lead to an information leak from host to guest.

The bug was discovered 11/09/2018. The weakness was presented 12/04/2018 (Website). The advisory is available at vmware.com. This vulnerability was named CVE-2018-6982 since 02/14/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 118885 (ESXi 6.0 / 6.5 / 6.7 Multiple Vulnerabilities (VMSA-2018-0027) (Remote Check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216174 (VMware ESXi 6.5 Patch Release ESXi650-201811301-BG Missing (VMSA-2018-0027)).

Applying the patch ESXi670-201811401-BG/ESXi650-201811301-BG is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118885) and SecurityFocus (BID 105882†). See VDB-127497 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.8
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118885
Nessus Name: ESXi 6.0 / 6.5 / 6.7 Multiple Vulnerabilities (VMSA-2018-0027) (Remote Check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ESXi670-201811401-BG/ESXi650-201811301-BG

Timelineinfo

02/14/2018 🔍
11/09/2018 +268 days 🔍
11/09/2018 +0 days 🔍
11/09/2018 +0 days 🔍
11/12/2018 +3 days 🔍
12/04/2018 +22 days 🔍
12/04/2018 +0 days 🔍
12/05/2018 +1 days 🔍
06/13/2023 +1651 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: vmware.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-6982 (🔍)
GCVE (CVE): GCVE-0-2018-6982
GCVE (VulDB): GCVE-100-127498
SecurityFocus: 105882 - Multiple VMware Products CVE-2018-6982 Information Disclosure Vulnerability
SecurityTracker: 1042055

scip Labs: https://www.scip.ch/en/?labs.20060413
See also: 🔍

Entryinfo

Created: 12/05/2018 08:26
Updated: 06/13/2023 08:17
Changes: 12/05/2018 08:26 (72), 04/17/2020 14:57 (4), 06/13/2023 08:17 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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