Double free

VMware ESXi, Workstation, and Fusion contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host...

Code injection

VMware ESXi contains a TOCTOU Time-of-check Time-of-use vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrary files...

CVE-2021-22050

CVE-2021-22050 is a slow HTTP POST denial-of-service vulnerability in ESXi's rhttpproxy. Exploitation requires network access to ESXi and can overwhelm the service to cause DoS. Connected sources (Red Hat CVE page) confirm the same description. VMware’s VMSA-2022-0004 is the remediation advisory ...

CVE-2021-22050

ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests...

CVE-2021-22043

VMware ESXi contains a TOCTOU Time-of-check Time-of-use vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrary files...

CVE-2021-22043

CVE-2021-22043 affects VMware ESXi. It is a TOCTOU vulnerability in how temporary files are handled by the settingsd service, enabling a user with access to settingsd to escalate privileges by writing arbitrary files. The issue is discussed alongside related flaws (CVE-2021-22040/22041/22042/2205...

CVE-2021-22042

VMware ESXi contains an unauthorized access vulnerability due to VMX having access to settingsd authorization tickets. A malicious actor with privileges within the VMX process only, may be able to access settingsd service running as a high privileged user...

CVE-2021-22042

CVE-2021-22042 affects VMware ESXi: an unauthorized-access flaw where VMX process privileges can access settingsd authorization tickets, allowing a local attacker with VMX privileges to reach the settingsd service running as a high-privileged user. Reported in multiple feeds (NVD, Red Hat, Nessus...

CVE-2021-22041

VMware ESXi, Workstation, and Fusion contain a double-fetch vulnerability in the UHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host...

CVE-2021-22041

CVE-2021-22041 is a double-fetch vulnerability in the UHCI USB controller affecting VMware ESXi, Workstation, and Fusion. The flaw allows a malicious actor with local VM-level administrative privileges to execute code as the VMX process running on the host, via isochronous USB endpoints. Red Hat ...

CVE-2021-22040

Vulnerability CVE-2021-22040 affects VMware ESXi, Workstation, and Fusion due to a use-after-free in the XHCI USB controller. The issue lets a malicious actor with local VM admin privileges execute code as the host VMX process running on the host. This is a host-level impact triggered from within...

VMware Issues Security Patches for High-Severity Flaws Affecting Multiple Products

VMware on Tuesday patched several high-severity vulnerabilities impacting ESXi, Workstation, Fusion, Cloud Foundation, and NSX Data Center for vSphere that could be exploited to execute arbitrary code and cause a denial-of-service DoS condition. As of writing, there's no evidence that any of the...

Vulnerabilities fixed in VMware Workstation, Fusion & ESXi

VMware has fixed several vulnerabilities in various products, namely Workstation Pro/Player, Fusion and ESXi. The vulnerabilities allow a malicious party to launch attacks that lead to the following categories of damage: Denial-of-Service DoS. Manipulation of data Remote code execution User right...

VMware ESXi 竞争条件问题漏洞

Vmware VMware ESXi is a server virtualization platform from Vmware that can be installed directly on physical servers. A Competing Conditions Issue vulnerability exists in VMware ESXi, which stems from a double fetch vulnerability in the product's UHCI USB controller. A remote user with...

VMSA-2022-0004:VMware ESXi, Workstation, and Fusion updates address multiple security vulnerabilities

Advisory ID: VMSA-2022-0004 CVSSv3 Range: 5.3-8.4 Issue Date:2022-02-15 Updated On: 2022-02-15 Initial Advisory CVEs: CVE-2021-22040, CVE-2021-22041, CVE-2021-22042, CVE-2021-22043, CVE-2021-22050 Synopsis: VMware ESXi, Workstation, and Fusion updates address multiple security vulnerabilities...

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag!

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag! By Trellix · February 8, 2022 Research Contributions and Analysis: Filippo Sitzia This story was written by Arnab Roy Threat Summary Blackcat also known as ALPHV/Noberus is a Ransomware as a Service...

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag!

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag! By Trellix · February 8, 2022 Research Contributions and Analysis: Filippo Sitzia This story was written by Arnab Roy Threat Summary Blackcat also known as ALPHV/Noberus is a Ransomware as a Service...

Vulnerability fixed in VMware Workstation, Fusion & ESXi

A vulnerability has been fixed in VMware Workstation, Fusion & ESXi. The vulnerability enables a malicious person with access to a virtual machine on which CD-ROM virtualization is enabled to able to execute arbitrary code on the hypervisor. To exploit this vulnerability, a CD image must be...

Analysis and Impact of LockBit Ransomware’s First Linux and VMware ESXi Variant

LockBit ransomware's operators announced the release of its first Linux and ESXi variant in October. With samples also spotted in the wild, we discuss the impact and analysis of this variant...

NTP time sync issue on VPX running on VMware platform

For Citrix ADC VPX instances deployed on VMware ESXi hypervisor, the Citrix ADC system time might go out of sync and consequently network time protocol NTP synchronization is lost. This problem occurs due to an issue with VMware ACPI timer emulation. tail -f ntpd.log 6 Dec 01:06:23 ntpd42663:...