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CVE-2024-45341— Usage of IPv6 zone IDs can bypass URI name constraints in crypto/x509

Quick assessment

Affected
Go standard library crypto/x509
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.

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于具有带区域ID的IPv6地址的URI证书可能会错误地满足适用于证书链的URI名称约束。

AI Predicted 5.3 Difficulty: Hard EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2024-45341

Vulnerability Information
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Vulnerability Title
Usage of IPv6 zone IDs can bypass URI name constraints in crypto/x509
Source: CVE Program / CVE List V5
Vulnerability Description
A certificate with a URI which has a IPv6 address with a zone ID may incorrectly satisfy a URI name constraint that applies to the certificate chain. Certificates containing URIs are not permitted in the web PKI, so this only affects users of private PKIs which make use of URIs.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于具有带区域ID的IPv6地址的URI证书可能会错误地满足适用于证书链的URI名称约束。
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
Go standard library crypto/x509 0 ~ 1.22.11 -

II. Public POCs for CVE-2024-45341

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III. Intelligence Information for CVE-2024-45341

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Patches & Fixes for CVE-2024-45341 (1)

Vendor Advisories for CVE-2024-45341 (2)

Mailing List Discussions for CVE-2024-45341 (2)

Same Patch Batch · Go standard library · 2025-01-28 · 3 CVEs total

CVE-2025-22865 ParsePKCS1PrivateKey panic with partial keys in crypto/x509
CVE-2024-45336 Sensitive headers incorrectly sent after cross-domain redirect in net/http

IV. Related Vulnerabilities

Same product: crypto/x509
Same vendor: Go standard library

V. Comments for CVE-2024-45341

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