USN-6559-1: ZooKeeper vulnerabilities
16 January 2024
Several security issues were fixed in ZooKeeper.
Releases
- Ubuntu 23.10
- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 ESM
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Packages
- zookeeper - High-performance coordination service for distributed applications
Details
It was discovered that ZooKeeper incorrectly handled authorization for
the getACL() command. A remote attacker could possibly use this issue to
obtain sensitive information. This issue only affected Ubuntu 14.04
LTS and Ubuntu 16.04 LTS. (CVE-2019-0201)
Damien Diederen discovered that ZooKeeper incorrectly handled
authorization if SASL Quorum Peer authentication is enabled. An
attacker could possibly use this issue to bypass ZooKeeper's
authorization system. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04
and Ubuntu 23.10. (CVE-2023-44981)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 23.10
Ubuntu 23.04
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
-
libzookeeper-java
-
3.4.13-3ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 16.04
-
libzookeeper-java
-
3.4.8-1ubuntu0.1~esm2
Available with Ubuntu Pro
Ubuntu 14.04
-
libzookeeper-java
-
3.4.5+dfsg-1ubuntu0.1~esm3
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.