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  5. CVE-2021-45700

CVE-2021-45700: Denial of Service in ckb

January 6, 2022 (updated January 7, 2022)

An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can cause a denial of service (Nervos CKB blockchain node crash) via a dead call that is used as a DepGroup.

References

  • github.com/advisories/GHSA-cw98-cx2m-9qqg
  • github.com/nervosnetwork/ckb
  • github.com/nervosnetwork/ckb/security/advisories/GHSA-45p7-c959-rgcm
  • nvd.nist.gov/vuln/detail/CVE-2021-45700
  • raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0109.md
  • rustsec.org/advisories/RUSTSEC-2021-0109.html

Code Behaviors & Features

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Affected versions

All versions before 0.40.0

Fixed versions

  • 0.40.0

Solution

Upgrade to version 0.40.0 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-400: Uncontrolled Resource Consumption

Source file

cargo/ckb/CVE-2021-45700.yml

Spotted a mistake? Edit the file on GitLab.

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