CVE-2020-6829 - OpenCVE

When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; which leaked partial information about the nonce used during signature generation. Given an electro-magnetic trace of a few signature generations, the private key could have been computed. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

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

Vendors & Products
CPE Configurations

Vendors	Products
Mozilla	Firefox

Configuration 1 [-]

OR	cpe:2.3:a:mozilla:firefox::::::-::*
	cpe:2.3:a:mozilla:firefox::::::android::*

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1631583	Permissions Required
https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html
https://www.mozilla.org/security/advisories/mfsa2020-36/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-39/	Vendor Advisory

History

No history.

MITRE Information

Status: PUBLISHED

Assigner: mozilla

Published: 2020-10-28T00:00:00

Updated: 2023-02-20T00:00:00

Reserved: 2020-01-10T00:00:00

Link: CVE-2020-6829

JSON object: View

NVD Information

Status : Modified

Published: 2020-10-28T12:15:12.407

Modified: 2023-02-20T17:15:11.757

Link: CVE-2020-6829

JSON object: View

Redhat Information

No data.

CWE

NVD-CWE-noinfo

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:*", "matchCriteriaId": "02FEC5B0-7705-414F-B2F7-BB6F82C1C04F", "versionEndExcluding": "80.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*", "matchCriteriaId": "78F3BE06-CA45-47C1-B3FD-04DCEDDCCB5A", "versionEndExcluding": "80.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; which leaked partial information about the nonce used during signature generation. Given an electro-magnetic trace of a few signature generations, the private key could have been computed. This vulnerability affects Firefox < 80 and Firefox for Android < 80."}, {"lang": "es", "value": "Cuando se lleva a cabo la multiplicaci\u00f3n de puntos escalares EC, se us\u00f3 el algoritmo de multiplicaci\u00f3n de puntos wNAF; que filtr\u00f3 informaci\u00f3n parcial sobre el nonce usado durante la generaci\u00f3n de firmas. Dado un rastro electromagn\u00e9tico de unas pocas generaciones de firmas, la clave privada podr\u00eda haberse calculado. Esta vulnerabilidad afecta a Firefox versiones anteriores a 80 y Firefox para Android versiones anteriores a 80"}], "id": "CVE-2020-6829", "lastModified": "2023-02-20T17:15:11.757", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-28T12:15:12.407", "references": [{"source": "security@mozilla.org", "tags": ["Permissions Required"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1631583"}, {"source": "security@mozilla.org", "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-36/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-39/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}