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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: nss-softokn security update
Advisory ID:       RHSA-2020:1267-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1267
Issue date:        2020-04-01
CVE Names:         CVE-2018-0495 CVE-2019-11745 
=====================================================================

1. Summary:

An update for nss-softokn is now available for Red Hat Enterprise Linux 7.5
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) - x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.5) - ppc64, ppc64le, s390x, x86_64

3. Description:

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.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1591163 - CVE-2018-0495 ROHNP: Key Extraction Side Channel in Multiple Crypto
 Libraries
1774831 - CVE-2019-11745 nss: Out-of-bounds write when passing an output buffer
 smaller than the block size to NSC_EncryptUpdate

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5):

Source:
nss-softokn-3.36.0-6.el7_5.src.rpm

x86_64:
nss-softokn-3.36.0-6.el7_5.i686.rpm
nss-softokn-3.36.0-6.el7_5.x86_64.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.i686.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.x86_64.rpm
nss-softokn-freebl-3.36.0-6.el7_5.i686.rpm
nss-softokn-freebl-3.36.0-6.el7_5.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5):

x86_64:
nss-softokn-debuginfo-3.36.0-6.el7_5.i686.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.x86_64.rpm
nss-softokn-devel-3.36.0-6.el7_5.i686.rpm
nss-softokn-devel-3.36.0-6.el7_5.x86_64.rpm
nss-softokn-freebl-devel-3.36.0-6.el7_5.i686.rpm
nss-softokn-freebl-devel-3.36.0-6.el7_5.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.5):

Source:
nss-softokn-3.36.0-6.el7_5.src.rpm

ppc64:
nss-softokn-3.36.0-6.el7_5.ppc.rpm
nss-softokn-3.36.0-6.el7_5.ppc64.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.ppc.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.ppc64.rpm
nss-softokn-devel-3.36.0-6.el7_5.ppc.rpm
nss-softokn-devel-3.36.0-6.el7_5.ppc64.rpm
nss-softokn-freebl-3.36.0-6.el7_5.ppc.rpm
nss-softokn-freebl-3.36.0-6.el7_5.ppc64.rpm
nss-softokn-freebl-devel-3.36.0-6.el7_5.ppc.rpm
nss-softokn-freebl-devel-3.36.0-6.el7_5.ppc64.rpm

ppc64le:
nss-softokn-3.36.0-6.el7_5.ppc64le.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.ppc64le.rpm
nss-softokn-devel-3.36.0-6.el7_5.ppc64le.rpm
nss-softokn-freebl-3.36.0-6.el7_5.ppc64le.rpm
nss-softokn-freebl-devel-3.36.0-6.el7_5.ppc64le.rpm

s390x:
nss-softokn-3.36.0-6.el7_5.s390.rpm
nss-softokn-3.36.0-6.el7_5.s390x.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.s390.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.s390x.rpm
nss-softokn-devel-3.36.0-6.el7_5.s390.rpm
nss-softokn-devel-3.36.0-6.el7_5.s390x.rpm
nss-softokn-freebl-3.36.0-6.el7_5.s390.rpm
nss-softokn-freebl-3.36.0-6.el7_5.s390x.rpm
nss-softokn-freebl-devel-3.36.0-6.el7_5.s390.rpm
nss-softokn-freebl-devel-3.36.0-6.el7_5.s390x.rpm

x86_64:
nss-softokn-3.36.0-6.el7_5.i686.rpm
nss-softokn-3.36.0-6.el7_5.x86_64.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.i686.rpm
nss-softokn-debuginfo-3.36.0-6.el7_5.x86_64.rpm
nss-softokn-devel-3.36.0-6.el7_5.i686.rpm
nss-softokn-devel-3.36.0-6.el7_5.x86_64.rpm
nss-softokn-freebl-3.36.0-6.el7_5.i686.rpm
nss-softokn-freebl-3.36.0-6.el7_5.x86_64.rpm
nss-softokn-freebl-devel-3.36.0-6.el7_5.i686.rpm
nss-softokn-freebl-devel-3.36.0-6.el7_5.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-0495
https://access.redhat.com/security/cve/CVE-2019-11745
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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