4.3

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2023-45289

CVE-2023-45289: When following an HTTP redirect to a domain which is not a subdomain match or exact match of the...

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.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2023-45289

CVE-2023-45289:

4.3

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

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Root Cause Analysis

The vulnerable functions were identified based on the Go security advisory GO-2024-2600 (linked to CVE-2023-45289), which explicitly lists affected symbols in the net/http and net/http/cookiejar packages. The vulnerability concerns the improper forwarding of sensitive headers (like 'Authorization' and 'Cookie') during HTTP redirects to domains that are not exact or subdomain matches of the original domain. The listed functions are all entry points for making HTTP requests or are involved in cookie management for these requests. They would appear in a runtime profile when the vulnerable behavior of incorrectly forwarding headers is triggered. Direct patch evidence from commit details could not be obtained via the available tools, so the Go advisory serves as the primary evidence. The functions in net/http (Client methods and package-level equivalents) are directly responsible for request execution and redirect handling. The functions in net/http/cookiejar are involved in providing and storing cookies, which are among the sensitive headers that could be improperly forwarded.

Vulnerable functions

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WAF Rule

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Reasoning

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