CVE-2022-3172: Kubernetes - API server - Aggregated API server can cause clients to be redirected (SSRF)
First published: Fri Sep 16 2022(Updated: )
A security issue was discovered in kube-apiserver that allows an aggregated API server to redirect client traffic to any URL. This could lead to the client performing unexpected actions as well as forwarding the client's API server credentials to third parties.
Credit: jordan@liggitt.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/openshift | <0:4.10.0-202303221742.p0.g16bcd69.assembly.stream.el8 | 0:4.10.0-202303221742.p0.g16bcd69.assembly.stream.el8 |
| redhat/openshift | <0:4.11.0-202210122157.p0.g5157800.assembly.stream.el8 | 0:4.11.0-202210122157.p0.g5157800.assembly.stream.el8 |
| redhat/openshift | <0:4.12.0-202301042257.p0.g77bec7a.assembly.stream.el9 | 0:4.12.0-202301042257.p0.g77bec7a.assembly.stream.el9 |
| redhat/kube-apiserver | <1.25.1 | 1.25.1 |
| redhat/kube-apiserver | <1.24.5 | 1.24.5 |
| redhat/kube-apiserver | <1.23.11 | 1.23.11 |
| redhat/kube-apiserver | <1.22.14 | 1.22.14 |
| <=1.21.14 | ||
| >=1.22.0<1.22.14 | ||
| >=1.23.0<1.23.11 | ||
| >=1.24.0<1.24.5 | ||
| =1.25.0 |
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Reference Links
- https://exchange.xforce.ibmcloud.com/vulnerabilities/236344
- https://www.ibm.com/support/pages/node/6843071 (Advisory)
- https://github.com/kubernetes/kubernetes/issues/112513
- https://groups.google.com/g/kubernetes-security-announce/c/_aLzYMpPRak
- https://security.netapp.com/advisory/ntap-20231221-0005/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2127805
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2127806
- https://access.redhat.com/errata/RHSA-2022:7398
- https://access.redhat.com/security/cve/cve-2022-3172
- https://access.redhat.com/errata/RHSA-2023:1655
- https://access.redhat.com/errata/RHSA-2023:3609
- https://bugzilla.redhat.com/show_bug.cgi?id=2127804
- https://www.cve.org/CVERecord?id=CVE-2022-3172 https://nvd.nist.gov/vuln/detail/CVE-2022-3172 https://github.com/kubernetes/kubernetes/issues/112513
- https://access.redhat.com/errata/RHBA-2022:7200
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2022-3172.
What is the severity of CVE-2022-3172?
The severity of CVE-2022-3172 is medium.
What is the affected software of CVE-2022-3172?
The affected software of CVE-2022-3172 is kube-apiserver.
How does CVE-2022-3172 affect kube-apiserver?
CVE-2022-3172 affects kube-apiserver by allowing an aggregated API server to redirect client traffic to any URL, leading to potential server-side request forgery (SSRF) attacks.
How can I fix CVE-2022-3172?
To fix CVE-2022-3172, you should update kube-apiserver to version 1.25.1 or apply the recommended patches provided by Red Hat.
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- version/kubernetes apiserver/1.21.14
- version/kubernetes apiserver/1.22.0
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- version/kubernetes apiserver/1.25.0