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Rewterz Threat Advisory – CVE-2023-44981 – Apache ZooKeeper Vulnerability

Severity

High

Analysis Summary

CVE-2023-44981

Apache ZooKeeper could allow a remote attacker to bypass security restrictions, caused by a flaw when SASL Quorum Peer authentication is enabled. By sending a specially crafted request, an attacker could exploit this vulnerability to bypass authorization and allow arbitrary endpoints to join the cluster and begin propagating counterfeit changes.

Impact

  • Security Bypass

Indicators Of Compromise

CVE

  • CVE-2023-44981

Affected Vendors

Apache

Affected Products

  • Apache ZooKeeper 3.7.0
  • Apache ZooKeeper 3.7.1
  • Apache ZooKeeper 3.8.0
  • Apache ZooKeeper 3.8.2
  • Apache ZooKeeper 3.9.2

Remediation

Upgrade to the latest version of Apache ZooKeeper, available from the Apache Website. 

Apache Website