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CVE-2023-45289— Incorrect forwarding of sensitive headers and cookies on HTTP redirect in net/http

Quick assessment

Affected
Go standard library net/http
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，该漏洞源于当 HTTP 重定向到与初始域不匹配或不完全匹配的域时，http.Client 不会转发敏感标头。

AI Predicted 4.3 Difficulty: Moderate EPSS 1.08% · P64
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I. Basic Information for CVE-2023-45289

Vulnerability Information
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Vulnerability Title
Incorrect forwarding of sensitive headers and cookies on HTTP redirect in net/http
Source: CVE Program / CVE List V5
Vulnerability Description
When following an HTTP redirect to a domain which is not a subdomain match or exact match of the initial domain, an http.Client does not forward sensitive headers such as "Authorization" or "Cookie". For example, a redirect from foo.com to www.foo.com will forward the Authorization header, but a redirect to bar.com will not. A maliciously crafted HTTP redirect could cause sensitive headers to be unexpectedly forwarded.
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，该漏洞源于当 HTTP 重定向到与初始域不匹配或不完全匹配的域时，http.Client 不会转发敏感标头。
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 net/http 0 ~ 1.21.8 -
Go standard library net/http/cookiejar 0 ~ 1.21.8 -

II. Public POCs for CVE-2023-45289

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III. Intelligence Information for CVE-2023-45289

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Patches & Fixes for CVE-2023-45289 (1)

Vendor Advisories for CVE-2023-45289 (1)

Mailing List Discussions for CVE-2023-45289 (1)

Other References for CVE-2023-45289 (3)

Same Patch Batch · Go standard library · 2024-03-05 · 5 CVEs total

CVE-2023-45290 Memory exhaustion in multipart form parsing in net/textproto and net/http
CVE-2024-24783 Verify panics on certificates with an unknown public key algorithm in crypto/x509
CVE-2024-24784 Comments in display names are incorrectly handled in net/mail
CVE-2024-24785 Errors returned from JSON marshaling may break template escaping in html/template

IV. Related Vulnerabilities

Same product: net/http
Same vendor: Go standard library

V. Comments for CVE-2023-45289

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