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Fisco Bcos CVE-2022-28936

HIGH
Integer Overflow or Wraparound (CWE-190)
2022-05-15 cve@mitre.org
Denial Of Service Integer Overflow Fisco Bcos
7.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
May 15, 2022 - 16:15 nvd
HIGH 7.5

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. 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. Affected products include: Fisco-Bcos.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.

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CVE-2022-28936 vulnerability details – vuln.today
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