CVE-2020-12401

EPSS 0.07%
Published 08.10.2020 14:15:11
Last modified 21.11.2024 04:59:38
Source security@mozilla.org
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During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Affected products Warnungen 0 Metrics 3 CWE 1 References 7

Data is provided by the National Vulnerability Database (NVD)

Mozilla ≫ Firefox Version < 80.0

Mozilla ≫ Firefox SwPlatformandroid Version < 80.0

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.07%	0.174

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	4.7	1	3.6	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
nvd@nist.gov	1.9	3.4	2.9	AV:L/AC:M/Au:N/C:P/I:N/A:N

CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

https://www.mozilla.org/security/advisories/mfsa2020-36/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2020-39/

Vendor Advisory

https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1631573

Vendor Advisory

Issue Tracking

Permissions Required

https://nvd.nist.gov/vuln/detail/CVE-2020-12401

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2020-12401

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2020-12401

EUVD