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/ .

Advisories
Source ID Title
EUVD EUVD EUVD-2024-0609 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/ .
Github GHSA Github GHSA GHSA-c57v-4vg5-cm2x Apache Pulsar SASL Authentication Provider observable timing discrepancy vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2024-08-02T22:32:09.454Z

Reserved: 2023-12-19T06:13:58.560Z

Link: CVE-2023-51437

cve-icon Vulnrichment

Updated: 2024-08-02T22:32:09.454Z

cve-icon NVD

Status : Modified

Published: 2024-02-07T10:15:08.137

Modified: 2024-11-21T08:38:06.947

Link: CVE-2023-51437

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses