CVE-2023-45289— Incorrect forwarding of sensitive headers and cookies on HTTP redirect in net/http
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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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
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Lack of limit when parsing cookies can cause memory exhausti - CVE-2025-47910
CrossOriginProtection insecure bypass patterns not limited t - CVE-2025-4673
Sensitive headers not cleared on cross-origin redirect in ne - CVE-2025-22870
HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net - CVE-2024-45336
Sensitive headers incorrectly sent after cross-domain redire
Same vendor: Go standard library
- CVE-2026-39820
Quadratic string concatentation in consumeComment in net/mai - CVE-2026-39823
Bypass of meta content URL escaping causes XSS in html/templ - CVE-2026-33811
Crash when handling long CNAME response in net - CVE-2026-39826
Escaper bypass leads to XSS in html/template - CVE-2026-42499
Quadratic string concatenation in consumePhrase in net/mail
V. Comments for CVE-2023-45289
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