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CVE-2009-20008— Green Dam 3.17 URL Processing Buffer Overflow

Quick assessment

Affected
Zhengzhou Jinhui Computer System Engineering Co. Ltd. ; Beijing Dazheng Human Language Technology Academy Green Dam Youth Escort
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Green Dam Youth Escort是中国绿坝（Green Dam）公司的一个过滤软件。 Green Dam Youth Escort 3.17版本存在安全漏洞，该漏洞源于URL过滤组件对输入长度验证不足，可能导致栈缓冲区溢出和任意代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 0.91% · P59

Public Exploits 1

Metasploit · 1 greendam_url.rb [exploit]
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I. Basic Information for CVE-2009-20008

Vulnerability Information
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Vulnerability Title
Green Dam 3.17 URL Processing Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Green Dam Youth Escort 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Green Dam Youth Escort是中国绿坝（Green Dam）公司的一个过滤软件。 Green Dam Youth Escort 3.17版本存在安全漏洞，该漏洞源于URL过滤组件对输入长度验证不足，可能导致栈缓冲区溢出和任意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zhengzhou Jinhui Computer System Engineering Co. Ltd. ; Beijing Dazheng Human Language Technology Academy Green Dam Youth Escort 3.17 -

II. Public POCs for CVE-2009-20008

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2009-20008

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Exploits & Public PoCs for CVE-2009-20008 (1)

Proof of Concept for CVE-2009-20008 (1)

IV. Related Vulnerabilities

Same weakness: CWE-121

V. Comments for CVE-2009-20008

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