Home/CVE/VMware ESXi 6.7 without ESXi670-201811401-BG and VMware ESXi 6.5 without ESXi650-201811301-BG, VMware ESXi 6.0 without E
CVE

CVE-2018-6981

VMware ESXi 6.7 without ESXi670-201811401-BG and VMware ESXi 6.5 without ESXi650-201811301-BG, VMware ESXi 6.0 without E

VMware ESXi 6.7 without ESXi670-201811401-BG and VMware ESXi 6.5 without ESXi650-201811301-BG, VMware ESXi 6.0 without ESXi600-201811401-BG, VMware Workstation 15, VMware Workstation 14.1.3 or below, VMware Fusion 11, VMware Fusion 10.1.3 or below contain uninitialized stack memory usage in the vmxnet3 virtual network adapter which may allow a guest to execute code on the host.

HIGH · CVSS 8.8 EPSS 0.06846
Schedule remediation
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
⬡

Weakness Classification

CWE-908Use of Uninitialized Resource
▤

Affected Products & Versions

5
vmware workstation>= 14.0.0 and < 14.1.4
vmware workstationall versions
vmware fusion>= 10.0.0 and < 10.1.4
vmware fusionall versions
vmware esxiall versions
◈

Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSuspicious Workstation Locking via Rundll32
productinformationalLocked Workstation
producthighESXi Admin Permission Assigned To Account Via ESXCLI
productmediumESXi Storage Information Discovery Via ESXCLI
productmediumESXi Network Configuration Discovery Via ESXCLI
productmediumESXi VSAN Information Discovery Via ESXCLI
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · security@vmware.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Dec 2018 · 02:29 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/105881Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1042054Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1042055Third Party AdvisoryVDB Entry
https://www.vmware.com/security/advisories/VMSA-2018-0027.htmlVendor Advisory
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