CVE intelligence and bounded remediation

CVE-2022-46416 — Parrot Bebop Firmware security vulnerability

Critical CVSS 9.1

Parrot Bebop 4.7.1. allows remote attackers to prevent legitimate terminal connections by exhausting the DHCP IP address pool. To accomplish this, the attacker would first need to connect to the device's internal Wi-Fi network (e.g., by guessing the password). Then, the attacker would need to send many DHCP request packets.

Severity
Critical
CVSS
9.1 (3.1)
Published
2023-03-27
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-770

Affected products

  • parrot / bebop_firmware / 4.7.1

Matched remediation archetype

Resource exhaustion and denial of service

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify attacker-influenced work factors including input size, nesting, compression, fan-out, regex cost, allocation, recursion, retries, and connection lifetime.
  • Map per-request and shared CPU, memory, disk, descriptor, thread, queue, and downstream-service limits.
  • Determine whether authentication, tenancy, quotas, and rate controls apply before expensive processing begins.

Remediate safely

  • Bound input size, nesting, expansion, work, concurrency, queue depth, retries, and execution time before resource-intensive processing.
  • Release resources on every success, error, cancellation, and timeout path and use backpressure instead of unbounded buffering.
  • Update affected components and add small deterministic tests that assert resource ceilings rather than exhausting a host.

Authoritative sources

Complete CVE record and remediation plan

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