CVE-2023-51437

Description

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/ .

Reserved 2023-12-19 | Published 2024-02-07 | Updated 2024-08-02 | Assigner apache

Problem types

CWE-203 Observable Discrepancy

Product status

Default status
unaffected

Any version
affected

2.11.0
affected

3.0.0
affected

3.1.0
affected

Credits

Yiheng Cao finder

Chenhao Lu finder

Kaifeng Huang finder

References

lists.apache.org/thread/5kgmvvolf5tzp5rz9xjwfg2ncwvqqgl5 vendor-advisory

www.openwall.com/lists/oss-security/2024/02/07/1

cve.org (CVE-2023-51437)

nvd.nist.gov (CVE-2023-51437)

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