要点
- CVE-2024-27101 は github.com/authzed/spicedb, spicedb (authzed) に影響する深刻度「緊急」 (CVSS 9.1) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：0.46%（全脆弱性の 39.6% より高い）。
- 対処：1.29.2 以降に更新してください。
概要
Any SpiceDB cluster with any schema where a resource being checked has more than 65535 relationships for the same resource and subject type is affected by this problem.
The issue may also lead to a panic rendering the server unavailable
The following API methods are affected:
Impact
Permission checks that are expected to be allowed are instead denied, and lookup subjects will return fewer subjects than expected.
Workarounds
There is no workaround other than making sure that the SpiceDB cluster does not have very wide relations, with the maximum value being the maximum value of an 16-bit unsigned integer
Remediations
- AuthZed Dedicated customers: No action. AuthZed has upgraded all deployments.
- AuthZed Serverless customers: No Action. AuthZed has upgraded all deployments.
- AuthZed Enterprise customers: Upgrade to v1.29.2-hotfix-enterprise.v1.hotfix.v1
- Open Source users: Upgrade to v1.29.2
NVD の説明
SpiceDB is an open source, Google Zanzibar-inspired database for creating and managing security-critical application permissions. Integer overflow in chunking helper causes dispatching to miss elements or panic. Any SpiceDB cluster with any schema where a resource being checked has more than 65535 relationships for the same resource and subject type is affected by this problem. The CheckPermission, BulkCheckPermission, and LookupSubjects API methods are affected. This vulnerability is fixed in 1.29.2.
github.com/authzed/spicedb のその他の脆弱性
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