CVE-2021-45698

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0107.md	Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0107.html	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-12-27 00:15

Updated : 2022-01-06 19:30

NVD link : CVE-2021-45698

Mitre link : CVE-2021-45698

CVE.ORG link : CVE-2021-45698

JSON object : View

Products Affected

nervos

ckb

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-45698", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-12-27T00:15:09.580", "references": [{"url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0107.md", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://rustsec.org/advisories/RUSTSEC-2021-0107.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se ha detectado un problema en la crate ckb versiones anteriores a 0.40.0 para Rust. Una llamada RPC get_block_template puede fallar en situaciones en las que supone que debe seleccionar una transacci\u00f3n de Nervos CKB blockchain con una tasa m\u00e1s alta que otra transacci\u00f3n"}], "lastModified": "2022-01-06T19:30:17.643", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nervos:ckb:*:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "E3DB6489-8091-42E3-B2A6-3A36EDE9DAF2", "versionEndExcluding": "0.40.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}