This Week in Spring - December 20th, 2022

Hi, Spring fans! Its the 20th of December, 2022 as I write this, which means that by the time we meet again, here on this humble blog, Tuesday next week, Christmas will already have come and gone. Chanukah is already here! Time is sure flying! So, to those of you who celebrate: Happy Chanukah,...

This Week in Spring - December 6th, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! How are you? You know what Ive wanted to do? See my friends on the Spring team in person since the pandemic descended. And, Im overjoyed to relate, Ive just had the privilege of a nice meeting with several of them last night...

Apache Pulsar Trust Management Issue Vulnerability (CNVD-2022-83591)

Apache Pulsar is an Apache Foundation distributed messaging platform for cloud environments that integrates messaging, storage, and lightweight functional computing. The software supports multi-tenancy, persistent storage, multi-room cross-regional data replication, with strong consistency, high...

Apache Pulsar Disabled Certificate Validation for OAuth Client Credential Requests makes C++/Python Clients vulnerable to MITM attack

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

GHSA-5R3H-C3R7-9W4H Apache Pulsar Disabled Certificate Validation for OAuth Client Credential Requests makes C++/Python Clients vulnerable to MITM attack

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

CVE-2022-33684

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

Design/Logic Flaw

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

CVE-2022-33684 Apache Pulsar C++/Python OAuth Clients prior to 3.0.0 were vulnerable to an MITM attack due to Disabled Certificate Validation

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

PT-2022-5873

Name of the Vulnerable Software and Affected Versions Apache Pulsar C++ Client versions 2.7.0 through 2.7.4 Apache Pulsar C++ Client versions 2.8.0 through 2.8.3 Apache Pulsar C++ Client versions 2.9.0 through 2.9.2 Apache Pulsar C++ Client versions 2.10.0 through 2.10.1 Apache Pulsar C++ Client...

CVE-2022-33684 Apache Pulsar C++/Python OAuth Clients prior to 3.0.0 were vulnerable to an MITM attack due to Disabled Certificate Validation

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

CVE-2022-33684 Apache Pulsar C++/Python OAuth Clients prior to 3.0.0 were vulnerable to an MITM attack due to Disabled Certificate Validation

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

CVE-2022-33684

The CVE-2022-33684 entry documents a vulnerability in the Apache Pulsar C++ and Python clients where TLS peer certificate verification is not performed during OAuth2.0 Client Credential Flow HTTPS calls, even when tlsAllowInsecureConnection is disabled. This enables MITM attackers who can control...

CVE-2022-33681

A flaw was found in the Apache Pulsar Java Client. This flaw allows an attacker to use a Man-in-the-Middle MITM attack, manipulating network traffic and gaining the client's authentication data...

Improper Certificate Validation

Apache Pulsar is vulnerable to improper certificate validation. The vulnerability exists due to man in the middle attacks in intra-cluster connections and geo-replication connections which allows an attacker to take control of a machine between the client and the server...

Apache Pulsar Trust Management Issues Vulnerability

Apache Pulsar is the United States Apache Apache Foundation for cloud environments, set of messages, storage, lightweight functional computing as one of the distributed message flow platform. The software supports multi-tenancy, persistent storage, multi-machine room cross-region data replication...

Apache Pulsar Trust Management Issue Vulnerability

Apache Pulsar is an Apache Foundation distributed messaging platform for cloud environments that integrates messaging, storage, and lightweight functional computing. The software supports multi-tenancy, persistent storage, multi-room cross-regional data replication, with strong consistency, high...

Apache Pulsar Trust Management Issue Vulnerability

Apache Pulsar is an Apache Foundation distributed messaging platform for cloud environments that integrates messaging, storage, and lightweight functional computing. The software supports multi-tenancy, persistent storage, multi-room cross-regional data replication, and highly scalable streaming...

Apache Pulsar Proxy Input Validation Error Vulnerability

Apache Pulsar is an Apache Foundation distributed messaging platform for cloud environments that integrates messaging, storage, and lightweight functional computing. The software supports multi-tenancy, persistent storage, multi-room cross-regional data replication, with strong consistency, high...

This Week in Spring - September 27th, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! Its the last week of September, already! The years more done than not. The days are receding into darkness earlier. And the Pumpkin Spice Lattes are upon us. The darker and colder days are kind of a bummer, but Im stil excite...

Apache Pulsar Broker, Proxy, and WebSocket Proxy vulnerable to Improper Certificate Validation

TLS hostname verification 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...