WM Downloader 3.1.2.2 Buffer Overflow via Malformed M3U File
Vulnerability Description
WM Downloader version 3.1.2.2 is vulnerable to a buffer overflow when processing a specially crafted .m3u playlist file. The application fails to properly validate input length, allowing an attacker to overwrite structured exception handler (SEH) records and execute arbitrary code. Exploitation occurs locally when a user opens the malicious file, and the payload executes with the privileges of the current user.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- fdiskyou
References
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/wm_downloader_m3u.rb
- https://www.exploit-db.com/exploits/14497
- https://www.exploit-db.com/exploits/16642
- https://www.fortiguard.com/encyclopedia/ips/24038/wm-downloader-buffer-overflow
- https://www.vulncheck.com/advisories/wm-downloader-buffer-overflow-via-malformed-m3u-file
Affected Vendor
WM Downloader
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