RHEL 7 : nss-softokn (RHSA-2020:1345)

high Nessus Plugin ID 135250

Synopsis

The remote Red Hat host is missing one or more security updates for nss-softokn.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1345 advisory.

The nss-softokn package provides the Network Security Services Softoken Cryptographic Module.

Security Fix(es):

* nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate (CVE-2019-11745)

* ROHNP: Key Extraction Side Channel in Multiple Crypto Libraries (CVE-2018-0495)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL nss-softokn package based on the guidance in RHSA-2020:1345.

See Also

http://www.nessus.org/u?42a818cf

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2020:1345

https://bugzilla.redhat.com/show_bug.cgi?id=1591163

https://bugzilla.redhat.com/show_bug.cgi?id=1774831

Plugin Details

Severity: High

ID: 135250

File Name: redhat-RHSA-2020-1345.nasl

Version: 1.11

Type: local

Agent: unix

Published: 4/7/2020

Updated: 11/7/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-11745

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:nss-softokn-freebl-devel, cpe:/o:redhat:rhel_e4s:7.4, p-cpe:/a:redhat:enterprise_linux:nss-softokn, cpe:/o:redhat:rhel_aus:7.4, p-cpe:/a:redhat:enterprise_linux:nss-softokn-devel, cpe:/o:redhat:rhel_tus:7.4, p-cpe:/a:redhat:enterprise_linux:nss-softokn-freebl

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/7/2020

Vulnerability Publication Date: 6/13/2018

Reference Information

CVE: CVE-2018-0495, CVE-2019-11745

BID: 107967

CWE: 200, 787

IAVA: 2018-A-0203, 2019-A-0128, 2019-A-0438-S

RHSA: 2020:1345