Zero-day vulnerability in Windows

Privilege escalation

The vulnerability was apparently found and reported to Microsoft by both ╨бrowdStrike and FireEye.
The vulnerability has been actively exploited in the wild for at least five month by highly advanced adversary group named HURRICANE PANDA.

Known malware:

Nuclear Exploit Kit.

Vulnerability details

Advisory: SB2014101401 - Privilege escalation in Microsoft Windows

Vulnerable component: Windows

CVE-ID: CVE-2014-4113

CVSSv3 score: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer


The vulnerability allows a local attacker to obtain elevated privileges on the target system.

The weakness exists due to improper handling of objects in memory by kernel-mode driver (win32k.sys). A local attacker can run a specially crafted application to gain elevated privileges and take complete control of the system.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Known APT campaigns:

Hurricane Panda

Hurricane Panda is an attack targeting major infrastructure companies.

Attack was detected in 2013 and is believed to be of Chinese origin.

Public Exploits: