Privilege Escalation Flaw in Mirror Registry for OpenShift
CVE-2025-3528

8.2HIGH

Key Information:

Vendor

Red Hat
Status
Mirror Registry For Red Hat Openshift
Vendor
CVE Published:
9 May 2025
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What is CVE-2025-3528?

A vulnerability exists within the Mirror Registry of OpenShift due to improper control of write permissions on the /etc/passwd file in the quay-app container. Malicious actors gaining access to this container can modify the passwd file, consequently enabling them to elevate their privileges to that of the root user within the pod. This flaw poses significant risks to the integrity and security of the affected environments, necessitating immediate remediation.

References

https://access.redhat.com/security/cve/CVE-2025-3528
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2359143
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Antony Di Scala and Mike Whale for reporting this issue.
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