#VU22326 Exposed dangerous method or function in VMware ESXi - CVE-2019-5528

Vulnerability identifier: #VU22326

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-5528

CWE-ID: CWE-749

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
VMware ESXi
Operating systems & Components / Operating system

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to cause a denial of service (DoS) condition on the target system.

The vulnerability exists due to the affected software provides an interface includes a dangerous method or function that is not properly restricted. A remote attacker can send a specially crafted request and cause the hostd service to become unresponsive, resulting in a partial denial of service for management functionality.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware ESXi: 6.5 - 6.7

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External links
https://www.vmware.com/security/advisories/VMSA-2019-0011.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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