#VU21241 Use-after-free in VMware, Inc products - CVE-2019-5527
Published: September 21, 2019
Vulnerability identifier: #VU21241
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-5527
CWE-ID: CWE-416
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
VMRC
VMware Horizon Client
VMware Fusion
VMware Workstation
VMware ESXi
VMRC
VMware Horizon Client
VMware Fusion
VMware Workstation
VMware ESXi
Software vendor:
VMware, Inc
VMware, Inc
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the virtual sound device. A local unprivileged user with access to guest operating system can trigger use-after-free error and execute arbitrary code on the host OS.
Successful exploitation of the vulnerability requires that the sound back-end is not connected.
Remediation
Install updates from vendor's website.
For ESXi 6.7 - install update ESXi670-201904101-SG
For ESXi 6.6 - install update ESXi650-201903401-SG
For ESXi 6.0 - install update ESXi600-201909101-SG