Vulnerability identifier: #VU23432
Vulnerability risk: High
CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
VMware ESXi
Operating systems & Components /
Operating system
Horizon DaaS
Client/Desktop applications /
Other client software
Vendor: VMware, Inc
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in OpenSLP. A remote attacker with network access to port 427 on an ESXi host or on any Horizon DaaS management appliance can overwrite the heap of the OpenSLP service, trigger out-of-bounds write and execute arbitrary code on the target system.
Note: This vulnerability affects Horizon DaaS 8.x
Mitigation
Install updates from vendor's website.
Vulnerable software versions
VMware ESXi: 6.0 - 6.7
Horizon DaaS: All versions
External links
http://www.vmware.com/security/advisories/VMSA-2019-0022.html
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?
Yes. This vulnerability is being exploited in the wild.