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             AUSCERT External Security Bulletin Redistribution

                               ESB-2024.0323
                   USN-6559-1: ZooKeeper vulnerabilities
                              18 January 2024

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           ZooKeeper
Publisher:         Ubuntu
Operating System:  Ubuntu
Resolution:        Patch/Upgrade
CVE Names:         CVE-2023-44981 CVE-2019-0201 

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-6559-1

Comment: CVSS (Max):  9.1 CVE-2023-44981 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
         CVSS Source: Ubuntu
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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USN-6559-1: ZooKeeper vulnerabilities

16 January 2024

Several security issues were fixed in ZooKeeper.

Releases

  o Ubuntu 23.10
  o Ubuntu 23.04
  o Ubuntu 22.04 LTS
  o Ubuntu 20.04 LTS
  o Ubuntu 18.04 ESM
  o Ubuntu 16.04 ESM
  o Ubuntu 14.04 ESM

Packages

  o 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

  o libzookeeper-java - 3.8.0-11ubuntu0.1

Ubuntu 23.04

  o libzookeeper-java - 3.8.0-10ubuntu0.1

Ubuntu 22.04

  o libzookeeper-java - 3.4.13-6ubuntu4.1

Ubuntu 20.04

  o libzookeeper-java - 3.4.13-5ubuntu0.1

Ubuntu 18.04

  o libzookeeper-java - 3.4.13-3ubuntu0.1~esm1
    Available with Ubuntu Pro

Ubuntu 16.04

  o libzookeeper-java - 3.4.8-1ubuntu0.1~esm2
    Available with Ubuntu Pro

Ubuntu 14.04

  o 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.

References

  o CVE-2023-44981
  o CVE-2019-0201

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