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Advisories

AVideo through 29.0 Rate Limit Bypass via Non-Atomic Counter Increment

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severity
medium
date
Affecting

  • AVideo <= 29.0

CWE
  • CWE-307 Improper Restriction of Excessive Authentication Attempts
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
rajivraj
Description
AVideo through 29.0 contains a race condition in the enforceRateLimit() function that fails to atomically increment rate limit counters, allowing attackers to bypass all rate limits including login brute-force protection by issuing concurrent requests. Attackers can submit parallel credential attempts to exceed the documented 30-attempts-per-5-minutes login limit by an arbitrary factor determined only by their connection concurrency.

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