Apache ZooKeeper: Sensitive information disclosure in client configuration handling
Summary
Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.
What this means
In plain English
Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue. Information disclosure can expose data available to the affected component beyond its intended authorization boundary.
Recommended action
Primary action: update to a vendor-listed fixed release: 3.8.6, 3.9.5. Vendor mitigation: Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.
Rewritten locally from the scraped official advisory data above; no generative API is used. The vendor advisory is authoritative.
- Apache ZooKeeper 3.9.0 through 3.9.4
- Apache ZooKeeper 3.8.0 through 3.8.5
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
- 3.8.6
- 3.9.5
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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