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{"bugzilla": {"description": "openstack-keystone: OpenStack Keystone: Unauthorized access and privilege escalation via AWS signature validation flaw", "id": "2415344", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2415344"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N", "status": "draft"}, "cwe": "CWE-863", "details": ["OpenStack Keystone before 26.0.1, 27.0.0, and 28.0.0 allows a /v3/ec2tokens or /v3/s3tokens request with a valid AWS Signature to provide Keystone authorization.", "A flaw was found in OpenStack Keystone. This vulnerability allows an attacker to obtain a valid OpenStack's Keystone token, leading to access to unauthorized resources or privilege escalation within the OpenStack instance via sending a valid AWS (Amazon Web Services) signature to the /v3/ec2tokens or /v3/s3tokens API (Application Programming Interface) endpoints."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2025-65073", "package_state": [{"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Affected", "package_name": "rhosp13/openstack-keystone", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Affected", "package_name": "openstack-keystone", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Affected", "package_name": "rhosp-rhel8/openstack-keystone", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:17.1", "fix_state": "Affected", "package_name": "openstack-keystone", "product_name": "Red Hat OpenStack Platform 17.1"}, {"cpe": "cpe:/a:redhat:openstack:17.1", "fix_state": "Affected", "package_name": "rhosp-rhel9/openstack-keystone", "product_name": "Red Hat OpenStack Platform 17.1"}, {"cpe": "cpe:/a:redhat:openstack:18.0", "fix_state": "Affected", "package_name": "openstack-keystone", "product_name": "Red Hat OpenStack Platform 18.0"}, {"cpe": "cpe:/a:redhat:openstack:18.0", "fix_state": "Affected", "package_name": "rhoso/openstack-keystone-rhel9", "product_name": "Red Hat OpenStack Platform 18.0"}], "public_date": "2025-11-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-65073\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-65073\nhttps://www.openwall.com/lists/oss-security/2025/11/04/2"], "statement": "This vulnerability allows an attacker to obtain a valid OpenStack's Keystone token belonging to a valid user by sending a valid AWS signature to the /v3/ec2tokens or /v3/s3tokens API's endpoints, leading to access to unauthorized resources or privilege escalation within the OpenStack instance.\nThis attack is considered to have a high complexity (AC:H) due to the fact of obtaining such valid AWS token is not straight forward. To be considered vulnerable, the OpenStack deployments should expose the related API end points through a public API or external access.", "threat_severity": "Important"}

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