Improper access control in ZooKeeper - CVE-2019-0201
Published: June 4, 2019 / Updated: October 27, 2020
Vulnerability identifier: #VU18668
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-0201
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
ZooKeeper
ZooKeeper
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions when "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. A remote attacker can gain READ permissions to list ACL.
How to mitigate CVE-2019-0201
Install updates from vendor's website.
Sources
- http://www.securityfocus.com/bid/108427
- https://issues.apache.org/jira/browse/ZOOKEEPER-1392
- https://lists.apache.org/thread.html/f6112882e30a31992a79e0a8c31ac179e9d0de7c708de3a9258d4391@%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2019/05/msg00033.html
- https://zookeeper.apache.org/security.html#CVE-2019-0201