MISP: Authentication failure logging suppressed during Redis unavailability
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| MISP | MISP | affected |
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| Misp | Misp |
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Vendor Solution
The _shouldLog() method now explicitly checks whether the Redis connection is available before attempting to use it. If setupRedis() returns false, the method immediately returns true, causing every authentication-failure event to be logged. This converts the previous fail-closed behavior (silence on dependency failure) into a fail-open behavior for security logging (log everything when the throttle state is unavailable), ensuring that a Redis outage cannot be used to suppress the audit trail of failed authentication attempts.
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.533% probability within 30 days)
| Link | Providers |
|---|---|
| https://github.com/MISP/MISP/commit/a39b25d2f |
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| First Time appeared |
Misp
Misp misp |
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| Vendors & Products |
Misp
Misp misp |
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| Description | Affected versions of MISP use Redis to throttle repeated authentication-failure log entries. The intent is to avoid excessive duplicate logs while still recording failed authentication activity. However, User->setupRedis() returns false when Redis cannot be reached. The vulnerable _shouldLog() logic only returned true when a Redis instance existed and no throttle key was present. Therefore, when Redis was unavailable, the function did not allow the log write at all, effectively silencing authentication-failure logging for the duration of the outage. Version affected: ≤2.5.45 | |
| Title | MISP: Authentication failure logging suppressed during Redis unavailability | |
| Weaknesses | CWE-778 | |
| References |
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| Metrics |
cvssV4_0
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