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CVE-2021-45698 — RPC call failure in ckb — CVE Details

CRITICAL

RPC call failure in ckb

Published January 6, 2022Updated November 8, 2023Source: osv

Summary

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.

Advisory Timeline

  • First published January 6, 2022 (1740 days ago).
  • Last revised November 8, 2023 — 670 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update ckb to 0.40.0 or later
cargo update -p ckb --precise 0.40.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
ckb
crates.io
All versions0.40.0

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2021-45698?
RPC call failure in ckb This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2021-45698?
CVE-2021-45698 affects ckb. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-45698 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-8gjm-h3xj-mp6w
GHSA-v666-6w97-pcwm
RUSTSEC-2021-0107

Related CVEs

More crates.io advisories

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