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[email protected]NVD:CVE-2021-45698

HistoryDec 27, 2021 - 12:15 a.m.

CVE-2021-45698

2021-12-2700:15:09

[email protected]

web.nvd.nist.gov

issue

ckb crate

rust

get_block_template

rpc call

nervos ckb

blockchain transaction

fee rate

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

62.1%

JSON

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.

Affected configurations

Nvd

Node

nervosckbRange<0.40.0rust

VendorProductVersionCPE
nervosckb*cpe:2.3:a:nervos:ckb:*:*:*:*:*:rust:*:*

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

References

raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0107.md

rustsec.org/advisories/RUSTSEC-2021-0107.html

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

62.1%

JSON

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