CVE-2009-20008
Severity CVSS v4.0:
HIGH
Type:
CWE-121
Stack-based Buffer Overflow
Publication date:
30/08/2025
Last modified:
02/09/2025
Description
Green Dam Youth Escort version 3.17 is vulnerable to a stack-based buffer overflow when processing overly long URLs. The flaw resides in the URL filtering component, which fails to properly validate input length before copying user-supplied data into a fixed-size buffer. A remote attacker can exploit this vulnerability by enticing a user to visit a specially crafted webpage containing a long URL, resulting in arbitrary code execution.
Impact
Base Score 4.0
8.60
Severity 4.0
HIGH
References to Advisories, Solutions, and Tools
- https://en.wikipedia.org/wiki/Green_Dam_Youth_Escort
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/greendam_url.rb
- https://web.archive.org/web/20110426190759/http://www.cse.umich.edu/~jhalderm/pub/gd/
- https://www.exploit-db.com/exploits/8938
- https://www.exploit-db.com/exploits/8969
- https://www.vulncheck.com/advisories/green-dam-url-processing-buffer-overflow