The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade org.apache.pulsar:pulsar-client-admin-original
to version 2.7.5, 2.8.4, 2.9.3, 2.10.1 or higher.
Affected versions of this package are vulnerable to Man-in-the-Middle (MitM) due to the TLS hostname verification which cannot be enabled in the Pulsar Broker's Java Client, the Pulsar Broker's Java Admin Client, the Pulsar WebSocket Proxy's Java Client, and the Pulsar Proxy's Admin Client, leaving intra-cluster connections and geo-replication connections vulnerable to man in the middle attacks, which could leak credentials, configuration data, message data, and any other data sent by these clients. The vulnerability is for both the pulsar+ssl protocol and HTTPS.
Any users running affected versions of the Pulsar Broker, Pulsar Proxy, or Pulsar WebSocket Proxy should rotate static authentication data vulnerable to man in the middle attacks used by these applications, including tokens and passwords. To enable hostname verification, update the following configuration files:
In the Broker configuration (broker.conf, by default) and in the WebSocket Proxy configuration (websocket.conf, by default), set: brokerClient_tlsHostnameVerificationEnable=true
In Pulsar Helm chart deployments, the Broker and WebSocket Proxy setting name should be prefixed with PULSAR_PREFIX_
.
In the Proxy configuration (proxy.conf, by default), set: tlsHostnameVerificationEnabled=true