CVE-2021-45705

An issue was discovered in the nanorand crate before 0.6.1 for Rust. There can be multiple mutable references to the same object because the TlsWyRand Deref implementation dereferences a raw pointer.

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/nanorand/RUSTSEC-2021-0114.md	Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0114.html	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nanorand_project:nanorand:*:*:*:*:*:rust:*:*

History

06 Jan 2022, 19:15

Type	Values Removed	Values Added
CPE		cpe:2.3:a:nanorand_project:nanorand::::::rust::*
First Time		Nanorand Project nanorand Nanorand Project
References	~~(MISC) https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nanorand/RUSTSEC-2021-0114.md -~~	(MISC) https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nanorand/RUSTSEC-2021-0114.md - Third Party Advisory
References	~~(MISC) https://rustsec.org/advisories/RUSTSEC-2021-0114.html -~~	(MISC) https://rustsec.org/advisories/RUSTSEC-2021-0114.html - Third Party Advisory
CWE		NVD-CWE-noinfo
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8

27 Dec 2021, 00:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-27 00:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-45705

Mitre link : CVE-2021-45705

CVE.ORG link : CVE-2021-45705

JSON object : View

Products Affected

nanorand_project

nanorand

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-45705", "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": "2021-12-27T00:15:09.857", "references": [{"url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nanorand/RUSTSEC-2021-0114.md", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://rustsec.org/advisories/RUSTSEC-2021-0114.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 nanorand crate before 0.6.1 for Rust. There can be multiple mutable references to the same object because the TlsWyRand Deref implementation dereferences a raw pointer."}, {"lang": "es", "value": "Se ha detectado un problema en la crate nanorand versiones anteriores a 0.6.1 de Rust. Puede haber m\u00faltiples referencias mutables al mismo objeto porque la implementaci\u00f3n de TlsWyRand Deref hace referencia a un puntero sin procesar"}], "lastModified": "2022-01-06T19:15:31.877", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nanorand_project:nanorand:*:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "04BE03F9-4076-4FDD-A924-FF15B8226669", "versionEndExcluding": "0.6.1", "versionStartIncluding": "0.5.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}