OpenShift OSIN CheckClientSecret timing discrepancy
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-208.
Summary
A vulnerability was found in OpenShift OSIN. It has been classified as problematic. This affects the function ClientSecretMatches/CheckClientSecret. The manipulation of the argument secret leads to observable timing discrepancy. The name of the patch is 8612686d6dda34ae9ef6b5a974e4b7accb4fea29. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216987.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OpenShift | OSIN | all versions | — | No fix listed | CNA |
| — | github.com/openshift/osin (Go) | before 1.0.2-0.20210113124101-8612686d6dda | 1.0.2-0.20210113124101-8612686d6dda | Patch available | GHSA-m7qp-cj9p-gj85 |
- OSIN VendorOpenShift Affected all versions Fixed in — No fix listed CNA
- github.com/openshift/osin (Go) Vendor— Affected before 1.0.2-0.20210113124101-8612686d6dda Fixed in 1.0.2-0.20210113124101-8612686d6dda Patch available GHSA-m7qp-cj9p-gj85
Remediation
- Fix · GHSA-m7qp-cj9p-gj85 github.com/openshift/osin (Go) Fixed in 1.0.2-0.20210113124101-8612686d6dda Advisory →
Red Hat 3 advisories
- RHSA-2024:2782 Released 2024-05-16 · Red Hat rating ImportantOpenShift Container Platform 4.12.57 security update
- Red Hat OpenShift Container Platform 4.12 openshift4/ose-cluster-etcd-rhel8-operator, openshift4/ose-cluster-monitoring-operator, openshift4/ose-docker-registry +3
- RHSA-2024:2047 Released 2024-05-02 · Red Hat rating ImportantOpenShift Container Platform 4.13.41 bug fix and security update
- Red Hat OpenShift Container Platform 4.13 openshift4/kubevirt-csi-driver-rhel8, openshift4/oc-mirror-plugin-rhel8, openshift4/ose-cluster-monitoring-operator +1
- RHSA-2023:5006 Released 2023-10-31 · Red Hat rating ImportantOpenShift Container Platform 4.14.0 bug fix and security update
- Red Hat OpenShift Container Platform 4.14 openshift4/cloud-network-config-controller-rhel8, openshift4/driver-toolkit-rhel9, openshift4/egress-router-cni-rhel8 +47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 4.12 | Fixed | RHSA-2024:2782 |
| Red Hat OpenShift Container Platform 4.13 | Fixed | RHSA-2024:2047 |
| Red Hat OpenShift Container Platform 4.14 | Fixed | RHSA-2023:5006 |
Not affected: 3 products
- Red Hat OpenShift Container Platform 4.12
- Red Hat OpenShift Container Platform 4.13
- Red Hat OpenShift Container Platform 4.14
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4294
- 2026-10-03 Alias added: GHSA-m7qp-cj9p-gj85
References
More OpenShift vulnerabilities
- TI-2014-00157 Openshift has shell command injection flaws due to unsanitized data being passed into shell commands. CVSS 3.1HIGH 8.8
- TI-2020-08649 Insufficiently protected credentials in openshift/openshift-apiserver CVSS 3.1HIGH 7.5
- TI-2014-00023 OpenShift: Install script has temporary file creation vulnerability which can result in arbitrary code execution CVSS 3.1HIGH 7.8
- TI-2013-00130 Cross-site request forgery in OpenShift Enterprise CVSS 3.1MEDIUM 6.5
- TI-2015-02837 In Openshift Origin 3 the cookies being set in console have no 'secure', 'HttpOnly' attributes. CVSS 3.1MEDIUM 5.3
- TI-2015-07358 openshift-node in OpenShift Origin 1.1.6 and earlier improperly stores router credentials… CVSS 3.0MEDIUM 5.1
Sources
- CVE-2021-4294 · CVE Program
- CVE-2021-4294 · NVD
- FIRST EPSS
- GHSA-m7qp-cj9p-gj85 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-4294 · Red Hat security data · CC BY 4.0
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