Vulnerability identifier: #VU1248

Vulnerability risk: Critical

CVSSv3.1: 9.4 [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]

CVE-ID: CVE-2007-5722

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Globallink
Client/Desktop applications / Games

Vendor: Ourgame

Description

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.

Mitigation

Vulnerable software versions

Globallink: 2.7.0.8

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External links
http://exchange.xforce.ibmcloud.com/vulnerabilities/38222
http://www.f-secure.com/weblog/archives/00001432.html
http://www.f-secure.com/weblog/archives/00001427.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.