CVE-2024-45337: Misuse of ServerConfig.PublicKeyCallback may cause authorization bypass in golang.org/x/crypto
First published: Wed Dec 11 2024(Updated: )
Applications and libraries which misuse the ServerConfig.PublicKeyCallback callback may be susceptible to an authorization bypass.
Credit: security@golang.org security@golang.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/golang.org/x/crypto | <0.31.0 | 0.31.0 |
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Reference Links
- https://github.com/golang/crypto/commit/b4f1988a35dee11ec3e05d6bf3e90b695fbd8909
- https://go.dev/cl/635315
- https://go.dev/issue/70779
- https://groups.google.com/g/golang-announce/c/-nPEi39gI4Q/m/cGVPJCqdAQAJ
- https://pkg.go.dev/vuln/GO-2024-3321
- https://nvd.nist.gov/vuln/detail/CVE-2024-45337
- http://www.openwall.com/lists/oss-security/2024/12/11/2
- https://github.com/advisories/GHSA-v778-237x-gjrc (Advisory)
- https://security.netapp.com/advisory/ntap-20250131-0007/
- https://security.netapp.com/advisory/ntap-20250131-0007
- https://access.redhat.com/errata/RHSA-2025:0385
- https://access.redhat.com/errata/RHSA-2025:0386
- https://access.redhat.com/errata/RHSA-2025:0552
- https://access.redhat.com/errata/RHSA-2025:0560
- https://access.redhat.com/errata/RHSA-2025:0576
- https://access.redhat.com/errata/RHSA-2025:0577
- https://access.redhat.com/errata/RHSA-2025:0676
- https://access.redhat.com/errata/RHSA-2025:0679
- https://access.redhat.com/errata/RHSA-2025:0723
- https://access.redhat.com/errata/RHSA-2025:0653
- https://access.redhat.com/errata/RHSA-2025:0778
- https://access.redhat.com/errata/RHSA-2025:0785
- https://access.redhat.com/errata/RHSA-2025:0649
- https://access.redhat.com/errata/RHSA-2025:0645
- https://access.redhat.com/errata/RHSA-2025:0851
- https://bugzilla.redhat.com/show_bug.cgi?id=2331720
Frequently Asked Questions
What is the severity of CVE-2024-45337?
CVE-2024-45337 is rated as a medium severity vulnerability due to potential authorization bypass.
How do I fix CVE-2024-45337?
To fix CVE-2024-45337, upgrade to version 0.31.0 or later of golang.org/x/crypto.
What applications are affected by CVE-2024-45337?
CVE-2024-45337 affects applications and libraries that improperly use the ServerConfig.PublicKeyCallback.
Can CVE-2024-45337 lead to data breaches?
Yes, exploiting CVE-2024-45337 could potentially allow unauthorized access, leading to data breaches.
Is CVE-2024-45337 a local or remote vulnerability?
CVE-2024-45337 can be exploited remotely, making it a significant concern for applications exposed to the internet.
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