#VU15787 Stack-based buffer overflow in VMware ESXi


Published: 2018-11-09

Vulnerability identifier: #VU15787

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-6982

CWE-ID: CWE-121

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
VMware ESXi
Operating systems & Components / Operating system

Vendor: VMware, Inc

Description

The vulnerability allows an adjacent attacker to obtain potentially sensitive information on the target system.

The weakness exists due to uninitialized stack memory usage in the vmxnet3 virtual network adapter. A remote attacker can trigger memory corruption if vmxnet3 is enabled and access arbitrary data.

Mitigation
Install update from vendor's website.

Vulnerable software versions

VMware ESXi: 6.5 - 6.7


External links
http://www.vmware.com/security/advisories/VMSA-2018-0027.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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