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GHSA-2hmj-97jw-28jh
No affected components available
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:zookeeper3.9.0 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.
- Disable both commands (
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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