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VULNERABILITIES

CVE-2020-6829 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1631583 CVEPermissions Required
https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html CVE
https://www.mozilla.org/security/advisories/mfsa2020-36/ CVEVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-39/ CVEVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1631583 [email protected]Permissions Required

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]

Affected Products

ProductVersions
mozilla firefox
< 80.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:*

Remediation

  • No remediation found in references.
mozilla firefox mobile
< 80.0

CPE

  • cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-6829
NVD Published Date:
Oct 28, 2020
NVD Last Modified:
Aug 19, 2026
Source:
[email protected]
CVE-2020-6829 Details - Not Deferred