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I. Basic Information for CVE-2023-3766
Vulnerability Information

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Vulnerability Title
Invalid Slice Split Results in Server Panic
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was discovered in the odoh-rs rust crate that stems from faulty logic during the parsing of encrypted queries. This issue specifically occurs when processing encrypted query data received from remote clients and enables an attacker with knowledge of this vulnerability to craft and send specially designed encrypted queries to targeted ODOH servers running with odoh-rs. Upon successful exploitation, the server will crash abruptly, disrupting its normal operation and rendering the service temporarily unavailable.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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
odoh-rs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
odoh-rs是Cloudflare开源的一个在 Rust 中实现 RFC 9230 Oblivious DNS over HTTPS 协议的库。 odoh-rs rust crate 1.0.2之前版本存在安全漏洞,该漏洞源于解析加密查询期间存在错误逻辑,攻击者利用该漏洞通过发送特制的加密查询到服务器导致其崩溃。
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
Cloudflareodoh-rs 0 ~ 1.0.2 -
II. Public POCs for CVE-2023-3766
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III. Intelligence Information for CVE-2023-3766
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