SB2019060603 - Multiple vulnerabilities in VMware Workstation Pro and VMware Tools

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2019-5522)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the vm3dmp driver, installed  with vmtools on Windows guest machines. A local non-privileged user of a Windows guest machine can use a specially crafted application to trigger out-of-bounds read and gain access to kernel memory on the same guest OS or perform denial of service attack against guest OS.

2) Use-after-free (CVE-ID: CVE-2019-5525)

The vulnerability allows a local user to escalate privileges on the host system.

The vulnerability exists due to a use-after-free error in advanced Linux Sound Architecture (ALSA) backend. A local non-privileged user of a guest OS can use a specially crafted application to trigger use-after-free error and execute arbitrary code on the Linux host where Workstation is installed.

Successful exploitation of the vulnerability may allow an attacker to compromise Linux host operating system.

3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-5526)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to some DLL files are improperly loaded by the application. A remote authenticated attacker can hijack DLL files and escalate privileges to administrator on a windows host where Workstation is installed.

Remediation

Install update from vendor's website.

References

• http://www.vmware.com/security/advisories/VMSA-2019-0009.html
• https://www.vmware.com/security/advisories/VMSA-2019-0007.html