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ubuntucveUbuntu.comUB:CVE-2020-6829
HistoryAug 05, 2020 - 12:00 a.m.

CVE-2020-6829

2020-08-0500:00:00
ubuntu.com
ubuntu.com
17

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5 Medium

CVSS2

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

0.001 Low

EPSS

Percentile

44.9%

JSON

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.

Notes

Author Note
leosilva same fix/patches of CVE-2020-12400
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 80.0+build2-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 80.0+build2-0ubuntu0.20.04.1UNKNOWN
ubuntu16.04noarchfirefox< 80.0+build2-0ubuntu0.16.04.1UNKNOWN
ubuntu18.04noarchnss< 2:3.35-2ubuntu2.11UNKNOWN
ubuntu20.04noarchnss< 2:3.49.1-1ubuntu1.4UNKNOWN
ubuntu14.04noarchnss< 2:3.28.4-0ubuntu0.14.04.5+esm7) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchnss< 2:3.28.4-0ubuntu0.16.04.13UNKNOWN

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Moderate: nss security and bug fix update
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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5 Medium

CVSS2

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

0.001 Low

EPSS

Percentile

44.9%

JSON
Related for UB:CVE-2020-6829
nessus33ubuntu3openvas16almalinux1oraclelinux2f51redhat10osv5rocky1rosalinux2debiancve2redhatcve2debian2veracode3alpinelinux2ubuntucve1prion2cve2mageia1mozilla2gentoo1kaspersky1amazon2centos1ibm2