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CVE-2023-42800— Buffer overflow due to use of `strcpy` in `performRtspHandshake`

CVSS 8.8 · High EPSS 0.65% · P71
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I. Basic Information for CVE-2023-42800

Vulnerability Information
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Vulnerability Title
Buffer overflow due to use of `strcpy` in `performRtspHandshake`
Source: NVD (National Vulnerability Database)
Vulnerability Description
Moonlight-common-c contains the core GameStream client code shared between Moonlight clients. Moonlight-common-c is vulnerable to buffer overflow starting in commit 50c0a51b10ecc5b3415ea78c21d96d679e2288f9 due to unmitigated usage of unsafe C functions and improper bounds checking. A malicious game streaming server could exploit a buffer overflow vulnerability to crash a moonlight client, or achieve remote code execution (RCE) on the client (with insufficient exploit mitigations or if mitigations can be bypassed). The bug was addressed in commit 24750d4b748fefa03d09fcfd6d45056faca354e0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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
Moonlight 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moonlight是一款基于iOS和tvOS平台的NVIDIA GameStream协议的开源实现，它主要用于将游戏视频流流式传输到受支持的设备。 Moonlight-common-c存在安全漏洞，该漏洞源于不正确的边界检查，容易受到缓冲区溢出的影响，攻击者可以实现远程代码执行(RCE)。
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

VendorProductAffected VersionsCPESubscribe
moonlight-streammoonlight-common-c >= 50c0a51b10ecc5b3415ea78c21d96d679e2288f9, < 24750d4b748fefa03d09fcfd6d45056faca354e0 -

II. Public POCs for CVE-2023-42800

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III. Intelligence Information for CVE-2023-42800

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Same Patch Batch · moonlight-stream · 2023-12-14 · 3 CVEs total

CVE-2023-427998.8 HIGHBuffer overflow due to use of `strcpy` in `parseUrlAddrFromRtspUrlString`
CVE-2023-428017.6 HIGHStack buffer overflow due to `strcpy` into fixed size buffer in `extractVersionQuadFromStr

IV. Related Vulnerabilities

Same product: moonlight-common-c
Same vendor: moonlight-stream
Same weakness: CWE-120

V. Comments for CVE-2023-42800

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