4 results · Feed
-
Critical 9.6
Apache Pulsar: Incorrect Authorization for Function Worker when using mTLS Authentication through Pulsar Proxy
Incorrect Authorization vulnerability in Apache Software Foundation Apache Pulsar. This issue affects Apache Pulsar: before 2.10.4, and 2.11.0. When a client connects to the Pulsar Function Worker via the Pulsar Proxy where the Pulsar Proxy uses mTLS authenti…
-
Medium 6.5
Apache Pulsar Proxy target broker address isn't validated
Improper Input Validation vulnerability in Proxy component of Apache Pulsar allows an attacker to make TCP/IP connection attempts that originate from the Pulsar Proxy's IP address. When the Apache Pulsar Proxy component is used, it is possible to attempt to o…
-
Medium 6.5
Pulsar Admin API allows access to data from other tenants using getMessageById API
In Apache Pulsar it is possible to access data from BookKeeper that does not belong to the topics accessible by the authenticated user. The Admin API get-message-by-id requires the user to input a topic and a ledger id. The ledger id is a pointer to the data,…
-
Critical 9.8CVE-2021-22160 EPSS 53%
Authentication with JWT allows use of “none”-algorithm
If Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented token is set to "none". This allows an attacker to connect to Pulsar instances as…