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Loop with Unreachable Exit Condition ('Infinite Loop')

CVE-2020-24944

High
7.5/10

Summary

picoquic (before 3rd of July 2020) allows attackers to cause a denial of service (infinite loop) via a crafted QUIC frame, related to the picoquic_decode_frames and picoquic_decode_stream_frame functions and epoch==3.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-835 - Loop with Unreachable Exit Condition

Loops with multiple exits and flags detract from the quality of an application. They tend to make control structures difficult to understand, and introduce the risk of non-termination and other structural problems. The vulnerability “loop with unreachable exit condition” enables attackers to exploit this flaw, leading to denial of service.

References

Advisory Timeline

  • Published