Detections
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RHEL 7 : nss, nss-softokn, nss-util (RHSA-2019:4190)
high Nessus Plugin ID 131984
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Synopsis
The remote Red Hat host is missing one or more security updates for nss / nss-softokn / nss-util.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:4190 advisory.Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications.
The nss-softokn package provides the Network Security Services Softoken Cryptographic Module.
The nss-util packages provide utilities for use with the Network Security Services (NSS) libraries.
Security Fix(es):
* nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate (CVE-2019-11745)
* nss: Empty or malformed p256-ECDH public keys may trigger a segmentation fault (CVE-2019-11729)
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 / nss-softokn / nss-util package based on the guidance in RHSA-2019:4190.See Also
http://www.nessus.org/u?317c517e
https://access.redhat.com/errata/RHSA-2019:4190
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: High
ID: 131984
File Name: redhat-RHSA-2019-4190.nasl
Version: 1.5
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 12/12/2019
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
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: 7.7
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:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:nss-softokn-freebl-devel, p-cpe:/a:redhat:enterprise_linux:nss-pkcs11-devel, p-cpe:/a:redhat:enterprise_linux:nss-devel, p-cpe:/a:redhat:enterprise_linux:nss-softokn, p-cpe:/a:redhat:enterprise_linux:nss-tools, p-cpe:/a:redhat:enterprise_linux:nss-util, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:nss-sysinit, p-cpe:/a:redhat:enterprise_linux:nss-softokn-devel, p-cpe:/a:redhat:enterprise_linux:nss-util-devel, p-cpe:/a:redhat:enterprise_linux:nss-softokn-freebl, p-cpe:/a:redhat:enterprise_linux:nss
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 12/10/2019
Vulnerability Publication Date: 7/23/2019
Reference Information
CVE: CVE-2019-11729, CVE-2019-11745