Vulnerability Details : CVE-2021-35041
Potential exploit
The blockchain node in FISCO-BCOS V2.7.2 may have a bug when dealing with unformatted packet and lead to a crash. A malicious node can send a packet continuously. The packet is in an incorrect format and cannot be decoded by the node correctly. As a result, the node may consume the memory sustainably and crash. More details are shown at: https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951
Vulnerability category: Input validation
Products affected by CVE-2021-35041
- cpe:2.3:a:fisco-bcos:fisco-bcos:2.7.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-35041
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-35041
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-35041
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-35041
-
https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951
The node may have a bug when dealing with unformatted packet and lead to a crash · Issue #1951 · FISCO-BCOS/FISCO-BCOS · GitHubExploit;Patch;Third Party Advisory
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