nervosnetwork/ckb · Security
Allocation of Resources Without Limits or Throttling in ckb
- GHSA ID
- GHSA-2969-8hh9-57jc
- CVE ID
- CVE-2021-45699
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
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.
CWEs
- CWE-770 · Allocation of Resources Without Limits or Throttling
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-45699 ↗
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.md ↗
- https://rustsec.org/advisories/RUSTSEC-2021-0108.html ↗
- https://github.com/nervosnetwork/ckb/security/advisories/GHSA-48vq-8jqv-gm6f ↗
- https://github.com/advisories/GHSA-2969-8hh9-57jc ↗