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CVE-2021-45698

Date: December 26, 2021

An issue was discovered in the ckb crate before 0.40.0 for Rust. A get_block_template RPC call may fail in situations where it is supposed to select a Nervos CKB blockchain transaction with a higher fee rate than another transaction. Converted from WS-2021-0367, on 2022-11-07.

Language: RUST

Severity Score

Related Resources (7)

https://github.com/nervosnetwork/ckb
https://nvd.nist.gov/vuln/detail/CVE-2021-45698
https://github.com/nervosnetwork/ckb/security/advisories/GHSA-v666-6w97-pcwm
https://rustsec.org/advisories/RUSTSEC-2021-0107.html
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0107.md
https://crates.io/crates/ckb
https://www.mend.io/vulnerability-database/CVE-2021-45698

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Time-of-check Time-of-use (TOCTOU) Race Condition

CWE-367

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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