VMware ESX / ESXi libxml2 RCE (VMSA-2013-0004) (remote check)

medium Nessus Plugin ID 89664
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote VMware ESX / ESXi host is missing a security-related patch.


The remote VMware ESX / ESXi host is missing a security-related patch.
It is, therefore, affected by affected by a heap-based underflow condition in the bundled libxml2 library due to incorrect parsing of strings not containing an expected space. A remote attacker can exploit this, via a specially crafted XML document, to cause a denial of service condition or the execution of arbitrary code.


Apply the appropriate patch according to the vendor advisory that pertains to ESX version 4.0 / 4.1 or ESXi version 4.0 / 4.1.

See Also


Plugin Details

Severity: Medium

ID: 89664

File Name: vmware_esx_VMSA-2013-0004_remote.nasl

Version: 1.4

Type: remote

Family: Misc.

Published: 3/4/2016

Updated: 11/15/2018

Dependencies: vmware_vsphere_detect.nbin

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/o:vmware:esx, cpe:/o:vmware:esxi

Required KB Items: Host/VMware/version, Host/VMware/release

Exploit Ease: No known exploits are available

Patch Publication Date: 3/28/2013

Vulnerability Publication Date: 10/29/2012

Reference Information

CVE: CVE-2012-5134

BID: 56684

VMSA: 2013-0004