CVE-2023-51437
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
7.2 High
AI Score
Confidence
Low
4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
34.2%
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/ .
Related
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
7.2 High
AI Score
Confidence
Low
4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
34.2%