CVE-2024-45336: Sensitive headers incorrectly sent after cross-domain redirect in net/http
First published: Thu Jan 23 2025(Updated: )
The HTTP client drops sensitive headers after following a cross-domain redirect. For example, a request to a.com/ containing an Authorization header which is redirected to b.com/ will not send that header to b.com. In the event that the client received a subsequent same-domain redirect, however, the sensitive headers would be restored. For example, a chain of redirects from a.com/, to b.com/1, and finally to b.com/2 would incorrectly send the Authorization header to b.com/2.
Credit: security@golang.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Cloud HTTP |
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Reference Links
- https://go.dev/cl/643100
- https://go.dev/issue/70530
- https://groups.google.com/g/golang-dev/c/CAWXhan3Jww/m/bk9LAa-lCgAJ
- https://groups.google.com/g/golang-dev/c/bG8cv1muIBM/m/G461hA6lCgAJ
- https://pkg.go.dev/vuln/GO-2025-3420
- https://security.netapp.com/advisory/ntap-20250221-0003/
- https://github.com/golang/go/commit/b72d56f98d6620eb
- https://github.com/golang/go/commit/bb8230f805359456
- https://access.redhat.com/errata/RHSA-2025:3131
- https://access.redhat.com/errata/RHSA-2025:3335
- https://access.redhat.com/errata/RHSA-2025:3593
- https://access.redhat.com/errata/RHSA-2025:3772
- https://access.redhat.com/errata/RHSA-2025:3922
- https://bugzilla.redhat.com/show_bug.cgi?id=2341751
Frequently Asked Questions
What is the severity of CVE-2024-45336?
CVE-2024-45336 is considered a high-severity vulnerability due to the potential exposure of sensitive headers.
How does CVE-2024-45336 affect the HTTP client?
CVE-2024-45336 affects the HTTP client by dropping sensitive headers such as Authorization when following cross-domain redirects.
What software is impacted by CVE-2024-45336?
CVE-2024-45336 impacts the Google net/http library.
What is the recommended mitigation for CVE-2024-45336?
The recommended mitigation for CVE-2024-45336 is to avoid relying on sensitive headers during cross-domain redirects.
When was CVE-2024-45336 disclosed?
CVE-2024-45336 was disclosed in October 2024.
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