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ubuntucveUbuntu.comUB:CVE-2020-12399
HistoryMay 26, 2020 - 12:00 a.m.

CVE-2020-12399

2020-05-2600:00:00
ubuntu.com
ubuntu.com
13

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

1.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

26.5%

JSON

NSS has shown timing differences when performing DSA signatures, which was
exploitable and could eventually leak private keys. This vulnerability
affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 77.0.1+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu19.10noarchfirefox< 77.0.1+build1-0ubuntu0.19.10.1UNKNOWN
ubuntu20.04noarchfirefox< 77.0.1+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu16.04noarchfirefox< 77.0.1+build1-0ubuntu0.16.04.1UNKNOWN
ubuntu18.04noarchnss< 2:3.35-2ubuntu2.8UNKNOWN
ubuntu19.10noarchnss< 2:3.45-1ubuntu2.3UNKNOWN
ubuntu20.04noarchnss< 2:3.49.1-1ubuntu1.1UNKNOWN
ubuntu14.04noarchnss< 2:3.28.4-0ubuntu0.14.04.5+esm5) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchnss< 2:3.28.4-0ubuntu0.16.04.11UNKNOWN
ubuntu18.04noarchthunderbird< 1:68.10.0+build1-0ubuntu0.18.04.1UNKNOWN
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1-10 of 131

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4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

1.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

26.5%

JSON
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