First in the wild exploitation was reported in October 2007. This vulnerability was used during mass SQL injection attack on web sites in China and Taiwan.
Vulnerable component: GLWorld
CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:U/RC:C
CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when handling overly long argument passed tp ConnectAndEnterRoom() method in GlobalLink GLCHAT.GLChatCtrl.1 ActiveX control, used by Ourgame GLWorld. A remote attacker can create a specially crafted web page, trick the victim into visiting it, cause a stack-based buffer overflow and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.