#VU19920 Out-of-bounds read


Published: 2019-08-02

Vulnerability identifier: #VU19920

Vulnerability risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5521

CWE-ID: CWE-125

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
VMware Fusion
Client/Desktop applications / Virtualization software
VMware Workstation
Client/Desktop applications / Virtualization software
VMware ESXi
Operating systems & Components / Operating system

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the pixel shader functionality. A remote unprivileged user with access to a guest operating system can trigger out-of-bounds read error and read contents of memory on the system on perform a denial of service attack.


Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware Fusion: 10.1.0 - 11.0.2

VMware Workstation: 14.1.1 - 15.0.2

VMware ESXi: 6.0 - 6.7


External links
http://www.vmware.com/security/advisories/VMSA-2019-0012.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability