Use-after-free in VMware, Inc products - CVE-2019-5527
Published: September 21, 2019
Vulnerability identifier: #VU21241
CSH Severity: Medium
CVSS v4: 8.6 [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]
CVE-ID: CVE-2019-5527
CWE-ID: CWE-416
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
VMware Horizon Client
VMRC
VMware ESXi
VMware Fusion
VMware Workstation
VMRC
VMware ESXi
VMware Fusion
VMware Workstation
How to mitigate CVE-2019-5527
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
VMware Horizon Client - update to 5.2.0
VMRC - update to 10.0.5
VMware Fusion - update to 11.5.0
VMware Workstation - update to 15.5.0
VMRC - update to 10.0.5
VMware Fusion - update to 11.5.0
VMware Workstation - update to 15.5.0