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An issue is present in Apache ZooKeeper 1.0.0 to 3.4.13 and 3.5.0-alpha to 3.5.4-beta. ZooKeeper’s getACL() command doesn’t check any permission when retrieves the ACLs of the requested node and returns all information contained in the ACL Id field as plaintext string. DigestAuthenticationProvider overloads the Id field with the hash value that is used for user authentication. As a consequence, if Digest Authentication is in use, the unsalted hash value will be disclosed by getACL() request for unauthenticated or unprivileged users.
Base Score: 4.3
Impact Score: 2.9
Exploitability Score: 8.6
Base Score: 5.9
Impact Score: 3.6
Exploitability Score: 2.2
cpe:2.3:a:apache:zookeeper:*:*:*:*:*:*:*:* versions from 1.0.0 to 3.4.13 (inclusive)
|126205||Photon OS 1.0: Zookeeper PHSA-2019-1.0-0237||Nessus||PhotonOS Local Security Checks|
|125859||Debian DSA-4461-1 : zookeeper - security update||Nessus||Debian Local Security Checks|
|125635||Apache ZooKeeper < 3.4.14 / 3.5.x < 3.5.5 Information Disclosure||Nessus||Misc.|
|125407||Debian DLA-1801-1 : zookeeper security update||Nessus||Debian Local Security Checks|