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Test ID:1.3.6.1.4.1.25623.1.0.844470
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for nss (USN-4397-1)
Summary:The remote host is missing an update for the 'nss'; package(s) announced via the USN-4397-1 advisory.
Description:Summary:
The remote host is missing an update for the 'nss'
package(s) announced via the USN-4397-1 advisory.

Vulnerability Insight:
It was discovered that NSS incorrectly handled the TLS State Machine. A
remote attacker could possibly use this issue to cause NSS to hang,
resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS
and Ubuntu 19.10. (CVE-2019-17023)

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)

Affected Software/OS:
'nss' package(s) on Ubuntu 20.04 LTS, Ubuntu 19.10, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2019-17023
Common Vulnerability Exposure (CVE) ID: CVE-2020-12399
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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