CrowdStrike first detected the attacks in spring.
The zero-day reported by CrowdStrike was also reported by FireEye.
The issue has been introduced in 07/27/2005.
The vulnerability was handled as a non-public zero-day exploit for at least 3366 days.
Exploited by Hurricane Panda.
Vulnerable component: Microsoft Internet Explorer
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
The vulnerability allows a remote attacker to obtain elevated privileges on the target system.
The weakness exists due to the failure to properly validate permissions. A remote attacker can gain elevated privileges and execute arbitrary code on the affected system.
Successful exploitation of the vulnerability may result in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Known APT campaigns:
Hurricane Panda is an attack targeting major infrastructure companies.Attack was detected in 2013 and is believed to be of Chinese origin.