RHBA-2025:9645
Vulnerability from csaf_redhat - Published: 2025-07-14 08:07 - Updated: 2026-07-03 01:06Summary
Red Hat Bug Fix Advisory: mirror registry for Red Hat OpenShift 2.0.7 container
Severity
Important
Notes
Topic: mirror registry for Red Hat OpenShift 2.0.7
Details: Release of mirror registry for Red Hat OpenShift provides these changes:
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in the Mirror Registry. The quay-app container shipped as part of the Mirror Registry for OpenShift has write access to the `/etc/passwd`. This flaw allows a malicious actor with access to the container to modify the passwd file and elevate their privileges to the root user within that pod.
8.2 (High)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-MIRROR-REGISTRY-2.0:openshift/mirror-registry-rhel8@sha256:13de2fe06d9598bdde12e8599b4229e646469b85263102cbc39548d1c08a648b_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 8Base-MIRROR-REGISTRY-2.0:openshift/mirror-registry-rhel8@sha256:21b12ae6f0c3ad9e70edf56db6ade5454ecc8cb76328b006ac7a3b9fd890ee70_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 8Base-MIRROR-REGISTRY-2.0:openshift/mirror-registry-rhel8@sha256:4681aa3b96101a87f42bf7dd1ca3f11febdf648bfae4c6cde6eff3f14e52a784_s390x | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
6 references
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"vulnerabilities": [
{
"acknowledgments": [
{
"names": [
"Antony Di Scala",
"Mike Whale"
]
}
],
"cve": "CVE-2025-3528",
"cwe": {
"id": "CWE-276",
"name": "Incorrect Default Permissions"
},
"discovery_date": "2025-04-11T18:57:24.546000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
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}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Mirror Registry. The quay-app container shipped as part of the Mirror Registry for OpenShift has write access to the `/etc/passwd`. This flaw allows a malicious actor with access to the container to modify the passwd file and elevate their privileges to the root user within that pod.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "mirror-registry: Local privilege escalation due to incorrect permissions in mirror-registry",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue was classified with and Important severity according to the severity ratings described at https://access.redhat.com/security/updates/classification. This rating was given because the attacker, when a successfully attack is performed, can elevate its privilege to the root user.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"8Base-MIRROR-REGISTRY-2.0:openshift/mirror-registry-rhel8@sha256:4681aa3b96101a87f42bf7dd1ca3f11febdf648bfae4c6cde6eff3f14e52a784_s390x"
]
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2359143"
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{
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{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3528"
}
],
"release_date": "2024-04-11T00:00:00+00:00",
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{
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"date": "2025-07-14T08:07:01+00:00",
"details": "mirror registry for Red Hat OpenShift Release",
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},
{
"category": "workaround",
"details": "This issue can be mitigated by setting this line in each mirror registry systemd configurations:\n\n--security-opt=no-new-privileges\n\nThis would prevent any privilege escalation until the issue is fixed.",
"product_ids": [
"8Base-MIRROR-REGISTRY-2.0:openshift/mirror-registry-rhel8@sha256:13de2fe06d9598bdde12e8599b4229e646469b85263102cbc39548d1c08a648b_ppc64le",
"8Base-MIRROR-REGISTRY-2.0:openshift/mirror-registry-rhel8@sha256:21b12ae6f0c3ad9e70edf56db6ade5454ecc8cb76328b006ac7a3b9fd890ee70_amd64",
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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"8Base-MIRROR-REGISTRY-2.0:openshift/mirror-registry-rhel8@sha256:21b12ae6f0c3ad9e70edf56db6ade5454ecc8cb76328b006ac7a3b9fd890ee70_amd64",
"8Base-MIRROR-REGISTRY-2.0:openshift/mirror-registry-rhel8@sha256:4681aa3b96101a87f42bf7dd1ca3f11febdf648bfae4c6cde6eff3f14e52a784_s390x"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "mirror-registry: Local privilege escalation due to incorrect permissions in mirror-registry"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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