GHSA-2hmj-97jw-28jh

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GHSA-2hmj-97jw-28jh

Summary: Apache ZooKeeper: Insufficient Permission Check in AdminServer Snapshot/Restore Commands

Details: Improper permission checks in the AdminServer allow an authenticated client with insufficient privileges to invoke the `snapshot` and `restore` commands. The intended requirement is authentication and authorization on the root path (`/`) with **ALL** permission for these operations; however, affected versions permit invocation without that level of authorization. The primary risk is disclosure of cluster state via snapshots to a lesser-privileged client. * **Affected:** `org.apache.zookeeper:zookeeper` 3.9.0 through 3.9.3. * **Fixed:** 3.9.4 (ZOOKEEPER-4964 “check permissions individually during admin server auth”). * **Mitigations:** * Disable both commands (`admin.snapshot.enabled`, `admin.restore.enabled`). * Disable AdminServer (`admin.enableServer`). * Ensure the root ACL is not open; note that ZooKeeper ACLs are not recursive. * Upgrade to 3.9.4.

References: https://nvd.nist.gov/vuln/detail/CVE-2025-58457, https://github.com/apache/zookeeper, https://lists.apache.org/thread/r5yol0kkhx2fzw22pxk1ozwm3oc6yxrx, https://zookeeper.apache.org/doc/current/zookeeperSnapshotAndRestore.html, https://zookeeper.apache.org/doc/r3.9.4/releasenotes.html, https://zookeeper.apache.org/security.html#CVE-2025-58457, http://github.com/apache/zookeeper/commit/71e173fcbcc9deb784081cf867bd045df3c32635, http://www.openwall.com/lists/oss-security/2025/09/24/10