medium
4
Advisory Published
Updated

REDHAT-BUG-2327264

First published: Tue Nov 19 2024(Updated: )

Files or Directories Accessible to External Parties, Improper Privilege Management vulnerability in Apache Kafka Clients. Apache Kafka Clients accept configuration data for customizing behavior, and includes ConfigProvider plugins in order to manipulate these configurations. Apache Kafka also provides FileConfigProvider, DirectoryConfigProvider, and EnvVarConfigProvider implementations which include the ability to read from disk or environment variables. In applications where Apache Kafka Clients configurations can be specified by an untrusted party, attackers may use these ConfigProviders to read arbitrary contents of the disk and environment variables. In particular, this flaw may be used in Apache Kafka Connect to escalate from REST API access to filesystem/environment access, which may be undesirable in certain environments, including SaaS products. This issue affects Apache Kafka Clients: from 2.3.0 through 3.5.2, 3.6.2, 3.7.0. Users with affected applications are recommended to upgrade kafka-clients to version >=3.8.0, and set the JVM system property "org.apache.kafka.automatic.config.providers=none". Users of Kafka Connect with one of the listed ConfigProvider implementations specified in their worker config are also recommended to add appropriate "allowlist.pattern" and "allowed.paths" to restrict their operation to appropriate bounds. For users of Kafka Clients or Kafka Connect in environments that trust users with disk and environment variable access, it is not recommended to set the system property. For users of the Kafka Broker, Kafka MirrorMaker 2.0, Kafka Streams, and Kafka command-line tools, it is not recommended to set the system property.

Affected SoftwareAffected VersionHow to fix
Apache Kafka>=2.3.0<3.5.2

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Frequently Asked Questions

  • What is the severity of REDHAT-BUG-2327264?

    The severity of REDHAT-BUG-2327264 is considered high due to improper privilege management that can lead to files or directories being accessible to external parties.

  • How do I fix REDHAT-BUG-2327264?

    To fix REDHAT-BUG-2327264, upgrade to a patched version of Apache Kafka Clients that addresses this vulnerability.

  • Which versions of Apache Kafka Clients are affected by REDHAT-BUG-2327264?

    Apache Kafka Clients versions between 2.3.0 and 3.5.2 are affected by REDHAT-BUG-2327264.

  • What types of issues does REDHAT-BUG-2327264 introduce?

    REDHAT-BUG-2327264 introduces issues related to improper privilege management, potentially allowing unauthorized access to sensitive files or directories.

  • Is there a workaround for REDHAT-BUG-2327264?

    Currently, the best course of action for REDHAT-BUG-2327264 is to apply the available updates rather than relying on a workaround.

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