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4.3 Medium

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

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.

Affected products and versions

Product Affected versions Fixed in
net/http 1.22 1.22.0-0 → < 1.22.1 1.22.1
net/http 1.21 earliest → < 1.21.8 1.21.8
net/http/cookiejar 1.22 1.22.0-0 → < 1.22.1 1.22.1
net/http/cookiejar 1.21 earliest → < 1.21.8 1.21.8

References

Timeline

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The 26 CVEs of net/http →
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