SARA / Free Tools / CVE / CVE-2023-45289

CVE-2023-45289 — When following an HTTP redirect to a domain which is not a subdomain match or ex

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 for

CVSS
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EPSS
0.45% (top 36.50%)
CWE
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Published
2024-03-05T22:22:30.306Z
Last modified
2025-02-13T17:14:01.755Z
CVSS vector
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01What is this vulnerability?

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…

02Affected products

VendorProductVersions
Go standard librarynet/http0, 1.22.0-0
Go standard librarynet/http/cookiejar0, 1.22.0-0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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