Improper input validation in Fisco-Bcos
CVE-2021-35041
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 class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.013 (66.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Fisco-bcos — versions 2.7.2
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-35041?
- CVE-2021-35041 is a high-severity vulnerability in Fisco-Bcos, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-06-24.
- How severe is CVE-2021-35041?
- High severity. CVSS v3 base score is 7.5 out of 10.