#VU1104 Security bypass in VMware Tools - CVE-2016-5328

Vulnerability identifier: #VU1104

Vulnerability risk: Low

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2016-5328

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
VMware Tools
Client/Desktop applications / Other client software

Vendor: VMware, Inc

Description
The vulnerability allows a local user to bypass security restrictions on the target system.
The weakness is due to access control flaw. By obtaining kernel memory address information, a local attacker can bypass address space layout randomization (ASLR) security protections.
Successful exploitation of the vulnerability results in access to the vulnerable system.

Mitigation
Update to version 10.0.1.

Vulnerable software versions

VMware Tools: 9.0.0 - 10.1.0

---

External links
https://www.vmware.com/security/advisories/VMSA-2016-0017.html

---

Q & A

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?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.