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ubuntuUbuntuUSN-4397-2
HistoryJun 17, 2020 - 12:00 a.m.

NSS vulnerability

2020-06-1700:00:00
ubuntu.com
55

1.2 Low

CVSS2

Attack Vector

LOCAL

Attack 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

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

7 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

27.5%

Releases

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • nss - Network Security Service library

Details

USN-4397-1 fixed a vulnerability in NSS. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Cesar Pereida Garcia discovered that NSS incorrectly handled DSA key
generation. A local attacker could possibly use this issue to perform a
timing attack and recover DSA keys. (CVE-2020-12399)

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchlibnss3< 2:3.28.4-0ubuntu0.14.04.5+esm5UNKNOWN
Ubuntu14.04noarchlibnss3< 2:3.28.4-0ubuntu0.14.04.5UNKNOWN
Ubuntu14.04noarchlibnss3-1d< 2:3.28.4-0ubuntu0.14.04.5UNKNOWN
Ubuntu14.04noarchlibnss3-dbg< 2:3.28.4-0ubuntu0.14.04.5UNKNOWN
Ubuntu14.04noarchlibnss3-dbgsym< 2:3.28.4-0ubuntu0.14.04.5UNKNOWN
Ubuntu14.04noarchlibnss3-dev< 2:3.28.4-0ubuntu0.14.04.5UNKNOWN
Ubuntu14.04noarchlibnss3-tools< 2:3.28.4-0ubuntu0.14.04.5UNKNOWN
Ubuntu14.04noarchlibnss3-tools-dbgsym< 2:3.28.4-0ubuntu0.14.04.5UNKNOWN
Ubuntu12.04noarchlibnss3< 2:3.28.4-0ubuntu0.12.04.8UNKNOWN

1.2 Low

CVSS2

Attack Vector

LOCAL

Attack 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

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

7 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

27.5%