Zero-day vulnerability in Xunlei Thunder

Heap-based buffer overflow

Not patched

This vulnerability was first reported on This vulnerability was used in mass SQL injection attack against Chinese websites in May 2008.

Known malware:


Vulnerability details

Advisory: SB20071117 - Remote code execution in Xunlei Thunder

Vulnerable component: Xunlei Thunder

CVE-ID: CVE-2007-6144

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

CWE-ID: CWE-122 - Heap-based Buffer Overflow


The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in PPlayer.XPPlayer.1 ActiveX control when handling long strings passed via FlvPlayerUrl property value. A remote attacker can create a specially crafted web page, trick the victim into visiting it, cause a heap-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 was being actively exploited.