CVE intelligence and bounded remediation

CVE-2022-28936 — Fisco-Bcos Fisco-Bcos security vulnerability

High CVSS 7.5

FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node can trigger an integer overflow and cause a Denial of Service (DoS) via an unusually large viewchange message packet.

Severity
High
CVSS
7.5 (3.1)
Published
2022-05-15
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-190

Affected products

  • fisco-bcos / fisco-bcos / 3.0.0

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

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Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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