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GitHub Advisory DatabaseGHSA-2969-8HH9-57JC

HistoryJan 06, 2022 - 10:09 p.m.

Allocation of Resources Without Limits or Throttling in ckb

2022-01-0622:09:49

CWE-770

GitHub Advisory Database

github.com

ckb

rust

51% attack

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

59.2%

JSON

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.

Affected configurations

Vulners

Node

ckbRange<0.40.0

VendorProductVersionCPE
*ckb*cpe:2.3:a:*:ckb:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
*	ckb	*	cpe:2.3:a::ckb::::::::*

References

github.com/advisories/GHSA-2969-8hh9-57jc

github.com/nervosnetwork/ckb/security/advisories/GHSA-48vq-8jqv-gm6f

nvd.nist.gov/vuln/detail/CVE-2021-45699

raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.md

rustsec.org/advisories/RUSTSEC-2021-0108.html

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

59.2%

JSON

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