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CVE-2024-12224— idna accepts Punycode labels that do not produce any non-ASCII when decoded

Quick assessment

Affected
servo rust-url
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.

Servo是Servo开源的一个用 Rust 语言编写的原型 Web 浏览器引擎。 Servo存在安全漏洞，该漏洞源于punycode不安全等价验证不当，可能导致主机名混淆。

AI Predicted 5.3 Difficulty: Easy EPSS 0.22% · P11
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I. Basic Information for CVE-2024-12224

Vulnerability Information
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Vulnerability Title
idna accepts Punycode labels that do not produce any non-ASCII when decoded
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Validation of Unsafe Equivalence in punycode by the idna crate from Servo rust-url allows an attacker to create a punycode hostname that one part of a system might treat as distinct while another part of that system would treat as equivalent to another hostname.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1289
Source: CVE Program / CVE List V5
Vulnerability Title
Servo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Servo是Servo开源的一个用 Rust 语言编写的原型 Web 浏览器引擎。 Servo存在安全漏洞，该漏洞源于punycode不安全等价验证不当，可能导致主机名混淆。
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
servo rust-url 0 ~ 1.0.0 -

II. Public POCs for CVE-2024-12224

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III. Intelligence Information for CVE-2024-12224

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Vendor Advisories for CVE-2024-12224 (2)

IV. Related Vulnerabilities

Same vendor: servo
Same weakness: CWE-1289

V. Comments for CVE-2024-12224

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