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Insufficient Entropy

CVE-2022-27221

Severity Medium
Score 4.3/10

Summary

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.1). An attacker in machine-in-the-middle could obtain plaintext secret values by observing length differences during a series of guesses in which a string in an HTTP request URL potentially matches an unknown string in an HTTP response body, aka a "BREACH" attack.

  • MEDIUM
  • NETWORK
  • NONE
  • NONE
  • PARTIAL
  • NONE

CWE-331 - Insufficient Entropy

The software uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

References

Advisory Timeline

  • Published