CVE-2018-8784
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I. Basic Information for CVE-2018-8784
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
FreeRDP 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeRDP是FreeRDP团队开发的一个免费、开源的关于远程桌面协议（RDP）的实现。 FreeRDP 2.0.0-rc4之前版本中的‘zgfx_decompress_segment()’函数存在基于堆的缓冲区溢出漏洞。远程攻击者可利用该漏洞造成拒绝服务（内存损坏）并可能执行代码。
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 |
|---|---|---|---|---|
| Check Point Software Technologies Ltd. | FreeRDP | All versions prior to 2.0.0-rc4 | - |
II. Public POCs for CVE-2018-8784
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Check Point Software Technologies Ltd. · 2018-11-29 · 6 CVEs total
| CVE-2018-8785 | FreeRDP 缓冲区错误漏洞 | |
| CVE-2018-8786 | FreeRDP 缓冲区错误漏洞 | |
| CVE-2018-8787 | FreeRDP 缓冲区错误漏洞 | |
| CVE-2018-8788 | FreeRDP 缓冲区错误漏洞 | |
| CVE-2018-8789 | FreeRDP NTLM Authentication模块缓冲区错误漏洞 |
IV. Related Vulnerabilities
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FreeRDP: Persistent Cache bmpSize Desync - Heap OOB Write - CVE-2026-33986
FreeRDP: H.264 YUV Buffer Dimension Desync - Heap OOB Write - CVE-2026-33985
FreeRDP: ClearCodec Glyph Cache Count Desync - Heap OOB Read
Same weakness: CWE-120
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