CVE-2018-6981
published 2018-12-04CVE-2018-6981: 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…
PriorityP345high8.8CVSS 3.1
AVLACLPRLUINSCCHIHAH
EPSS
1.32%
70.7th percentile
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.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| vmware | esxi | — | — |
| vmware | esxi | — | — |
| vmware | esxi | — | — |
| vmware | fusion | — | — |
| vmware | fusion | >= 10.0.0 < 10.1.4 | 10.1.4 |
| vmware | fusion_pro | — | — |
| vmware | vmware_esxi | — | — |
| vmware | vmware_fusion | — | — |
| vmware | vmware_vsphere | — | — |
| vmware | vmware_workstation | — | — |
| vmware | workstation | — | — |
| vmware | workstation | >= 14.0.0 < 14.1.4 | 14.1.4 |
| vmware | workstation_player | — | — |
| vmware | workstation_pro | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
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VMware
VMware ESXi, Workstation, and Fusion updates address uninitialized stack memory usage
vendor_vmware·2018-11-09·CVSS 8.8
CVE-2018-6981 [HIGH] VMware ESXi, Workstation, and Fusion updates address uninitialized stack memory usage
VMSA-2018-0027: VMware ESXi, Workstation, and Fusion updates address uninitialized stack memory usage
VMware ESXi, Workstation, and Fusion updates address uninitialized stack memory usage. 2. Relevant Products VMware vSphere ESXi (ESXi) VMware Workstation Pro / Player (Workstation) VMware Fusion Pro, Fusion (Fusion)3. Problem Description a. vmxnet3 uninitialized stack memory usage VMware ESXi, Fusion and Workstation contain uninitialized stack memory usage in the vmxnet3 virtual network adapter. This issue may allow a guest to execute code on the host. The issue is present if vmxnet3 is enabled. Non vmxnet3 virtual adapters are not affected by this issue. VMware would like to thank the organizers of GeekPwn2018 and security researchers Zhangyanyu of Chaitin Tech and SmallerDragon for repo
GHSA
GHSA-gg2h-7m29-p3rh: VMware ESXi 6
ghsa_unreviewed·2022-05-13
CVE-2018-6981 [HIGH] CWE-908 GHSA-gg2h-7m29-p3rh: VMware ESXi 6
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.
No detection rules found.
No public exploits indexed.
Tenable
VMware Issues Security Advisory for Guest-to-Host Escape Vulnerability (CVE-2018-6981)
blogs_tenable·2018-11-12·CVSS 8.8
[HIGH] VMware Issues Security Advisory for Guest-to-Host Escape Vulnerability (CVE-2018-6981)
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VMware Issues Security Advisory for Guest-to-Host Escape Vulnerability (CVE-2018-6981)
blogs_tenable·2018-11-12·CVSS 8.8
CVE-2018-6981 [HIGH] VMware Issues Security Advisory for Guest-to-Host Escape Vulnerability (CVE-2018-6981)
Blog / Cyber Exposure Alerts
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# VMware Issues Security Advisory for Guest-to-Host Escape Vulnerability (CVE-2018-6981)
Satnam Narang
November 12, 2018
2 Min Read
VMware issued an advisory about two uninitialized stack memory usage bugs and has released patches and updates for some versions of the affected software.
## Background
On November 9, VMware published a security advisory to address a Guest-to-Host Escape vulnerability affecting VMware ESXi, Workstation and Fusion. The vulnerability was discovered and released by a security researcher at GeekPwn 2018, an annual security conference in Shanghai, China which took place in late October 2018. The researcher reported the vulnerability to VMware through GeekPwn.
Source: @ChaitinTech on Twitter.
## Vulnerability details
http://www.securityfocus.com/bid/105881http://www.securitytracker.com/id/1042054http://www.securitytracker.com/id/1042055https://www.vmware.com/security/advisories/VMSA-2018-0027.htmlhttp://www.securityfocus.com/bid/105881http://www.securitytracker.com/id/1042054http://www.securitytracker.com/id/1042055https://www.vmware.com/security/advisories/VMSA-2018-0027.html
2018-12-04
Published