Vulnerability Monitor

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CVE-2023-51437


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/ .


Published

2024-02-07T10:15:08.137

Last Modified

2024-11-21T08:38:06.947

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.4 (HIGH)

Weaknesses
  • Type: Primary
    CWE-203
  • Type: Secondary
    CWE-203

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application apache pulsar ≤ 2.10.5 Yes
Application apache pulsar < 2.11.3 Yes
Application apache pulsar < 3.0.2 Yes
Application apache pulsar 3.1.0 Yes
Application apache pulsar 3.1.0 Yes

References