Multiple vulnerabilities in VMware ESXi



Published: 2024-06-25 | Updated: 2024-07-30
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-37086
CVE-2024-37085
CWE-ID CWE-125
CWE-287
Exploitation vector Network
Public exploit Vulnerability #2 is being exploited in the wild.
Vulnerable software
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VMware ESXi
Operating systems & Components / Operating system

Vendor VMware, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU93318

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-37086

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a malicious user on the guest OS to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition. An attacker with access to the guest OS can trigger an out-of-bounds read and crash the host OS.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware ESXi: 7.0 - ESXi80U2sb-23305545

External links

http://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24505
http://docs.vmware.com/en/VMware-vSphere/8.0/rn/vsphere-esxi-803-release-notes/index.html
http://docs.vmware.com/en/VMware-vSphere/7.0/rn/vsphere-esxi-70u3q-release-notes/index.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper Authentication

EUVDB-ID: #VU93317

Risk: High

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2024-37085

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote user to compromise the ESXi host.

The vulnerability exists due to an error within the authentication process. A remote user with sufficient Active Directory (AD) permissions can gain full access to an ESXi host that was previously configured to use AD for user management by re-creating the configured AD group ('ESXi Admins' by default) after it was deleted from AD.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware ESXi: 7.0 - ESXi80U2sb-23305545

External links

http://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24505
http://docs.vmware.com/en/VMware-vSphere/8.0/rn/vsphere-esxi-803-release-notes/index.html
http://www.microsoft.com/en-us/security/blog/2024/07/29/ransomware-operators-exploit-esxi-hypervisor-vulnerability-for-mass-encryption/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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