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RedHat: RHSA-2020-1461-01 Important: NSS-Softokn Security Fix

red hat
Calendar Grey April 14, 2020
Dist Redhat Esm H88
An important update for nss-softokn in Red Hat Enterprise Linux addresses significant issues related to key extraction and out-of-bounds vulnerabilities.
An update for nss-softokn is now available for Red Hat Enterprise Linux 7.6 Extended Update Support

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

Summary

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.

Topics%20covered

Topics Covered

security advisory security update red hat important out-of-bounds key extraction nss-softokn

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

Package List

Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source: nss-softokn-3.36.0-6.el7_6.src.rpm
x86_64: nss-softokn-3.36.0-6.el7_6.i686.rpm nss-softokn-3.36.0-6.el7_6.x86_64.rpm nss-softokn-debuginfo-3.36.0-6.el7_6.i686.rpm nss-softokn-debuginfo-3.36.0-6.el7_6.x86_64.rpm nss-softokn-freebl-3.36.0-6.el7_6.i686.rpm nss-softokn-freebl-3.36.0-6.el7_6.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
x86_64: nss-softokn-debuginfo-3.36.0-6.el7_6.i686.rpm nss-softokn-debuginfo-3.36.0-6.el7_6.x86_64.rpm nss-softokn-devel-3.36.0-6.el7_6.i686.rpm nss-softokn-devel-3.36.0-6.el7_6.x86_64.rpm nss-softokn-freebl-devel-3.36.0-6.el7_6.i686.rpm nss-softokn-freebl-devel-3.36.0-6.el7_6.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source: nss-softokn-3.36.0-6.el7_6.src.rpm
ppc64: nss-softokn-3.36.0-6.el7_6.ppc.rpm nss-softokn-3.36.0-6.el7_6.ppc64.rpm nss-softokn-debuginfo-3.36.0-6.el7_6.ppc.rpm nss-softokn-debuginfo-3.36.0-6.el7_6.ppc64.rpm nss-softokn-devel-3.36.0-6.el7_6.ppc.rpm nss-softokn-devel-3.36.0-6.el7_6.ppc64.rpm nss-softokn-freebl-3.36.0-6.el7_6.ppc.rpm nss-softokn-freebl-3.36.0-6.el7_6.ppc64.rpm nss-softokn-freebl-devel-3.36.0-6.el7_6.ppc.rpm nss-softokn-freebl-devel-3.36.0-6.el7_6.ppc64.rpm
ppc64le: nss-softokn-3.36.0-6.el7_6.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1461-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1461
Issue date: 2020-04-14

Topic

An update for nss-softokn is now available for Red Hat Enterprise Linux 7.6Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update red hat important out-of-bounds key extraction nss-softokn

Relevant Releases Architectures

Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - x86_64

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64

Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x

Bugs Fixed

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

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