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GHSA-c57v-4vg5-cm2x: Apache Pulsar SASL Authentication Provider observable timing discrepancy vulnerability

Observable timing discrepancy vulnerability in Apache Pulsar SASL Authentication Provider can allow an attacker to forge a SASL Role Token that will pass signature verification. Users are recommended to upgrade to version 2.11.3, 3.0.2, or 3.1.1 which fixes the issue. Users should also consider updating the configured secret in the saslJaasServerRoleTokenSignerSecretPath file.

Any component matching an above version running the SASL Authentication Provider is affected. That includes the Pulsar Broker, Proxy, Websocket Proxy, or Function Worker.

2.11 Pulsar users should upgrade to at least 2.11.3. 3.0 Pulsar users should upgrade to at least 3.0.2. 3.1 Pulsar users should upgrade to at least 3.1.1. Any users running Pulsar 2.8, 2.9, 2.10, and earlier should upgrade to one of the above patched versions.

For additional details on this attack vector, please refer to https://codahale.com/a-lesson-in-timing-attacks/ .

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#vulnerability#web#apache#git#java#auth#maven

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  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. CVE-2023-51437

Apache Pulsar SASL Authentication Provider observable timing discrepancy vulnerability

High severity GitHub Reviewed Published Feb 7, 2024 to the GitHub Advisory Database • Updated Feb 7, 2024

Package

maven org.apache.pulsar:pulsar-broker-auth-sasl (Maven)

Affected versions

< 2.11.3

>= 3.0.0, < 3.0.2

>= 3.1.0, < 3.1.1

Patched versions

2.11.3

3.0.2

3.1.1

Description

Published to the GitHub Advisory Database

Feb 7, 2024

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