F5 Networks BIG-IP : Expat vulnerability (K52320548)
High Nessus Plugin ID 103313
SynopsisThe remote device is missing a vendor-supplied security patch.
DescriptionAn out-of-bounds read flaw was found in the way Expat processed certain input. A remote attacker could send specially crafted XML that, when parsed by an application using the Expat library, would cause that application to crash or, possibly, execute arbitrary code with the permission of the user running the application.(CVE-2016-0718)
A remote attacker could send specially crafted XML which, when parsed by an application using the Expat library, would cause that application to stop responding orpossiblyrun arbitrary code with the permission of the user running the application.
BIG-IP ASM control plane
An authenticated user with the relevant privileges, such as Web Application Security Editor,can exploit the vulnerability and gain full control of the system.
The big3d / gtmd processes may be exposed to this vulnerability over the management port and self IP addresses when the Port Lockdown setting is set to Default , All , or Custom with TCP port 4353 included. The impact for the big3d process is a temporary disruption in the communicationbetween peer systems until the system automatically restarts the big3d process.
SolutionUpgrade to one of the non-vulnerable versions listed in the F5 Solution K52320548.