CVE Vulnerability

CVE-2021-45699

An issue was discovered in the ckb crate before 0.40.0 for Rust. Remote attackers may be able to conduct a 51% attack against the Nervos CKB blockchain by triggering an inability to allocate memory for the misbehavior HashMap.

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.md Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0108.html Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nervos:ckb:*:*:*:*:*:rust:*:*
Information

Published : 2021-12-27 12:15

Updated : 2022-01-06 07:32

NVD link : CVE-2021-45699

Mitre link : CVE-2021-45699

Products Affected
No products.
CWE
CWE-770