title: Apache BookKeeper: Java Client Uses Connection to Host that Failed Hostname Verification
description: The Apache Bookkeeper Java Client (before 4.14.6 and also 4.15.0) does not close the connection to the bookkeeper server when TLS hostname verification fails. This leaves
the bookkeeper client vulnerable to a man in the middle attack.
The problem affects BookKeeper client prior to versions 4.14.6 and 4.15.1.
problem types: CWE-295 Improper Certificate Validation
affected:
{
defaultStatus: unaffected
product: Apache BookKeeper
vendor: Apache Software Foundation
versions:
lessThanOrEqual: 4.14.5, status: affected, version: 0, versionType: maven
status: affected, version: 4.15.0
}
metrics:
other: [
content: {'text': 'Moderate'}
type: Textual description of severity
]
solutions: Upgrade to 4.14.6 or to 4.15.1