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Red Hat: RHSA-2020-1345-01 Important: nss-softokn Security Fix

red hat
Calendar Grey April 7, 2020
Dist Redhat Esm H88
A crucial nss-softokn update tackles security concerns in Red Hat systems, implementing vital corrections.
An update for nss-softokn is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterpr...

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 red hat important key extraction cryptographic module nss-softokn out-of-bounds write

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 Server AUS (v. 7.4):
Source: nss-softokn-3.28.3-9.el7_4.src.rpm
x86_64: nss-softokn-3.28.3-9.el7_4.i686.rpm nss-softokn-3.28.3-9.el7_4.x86_64.rpm nss-softokn-debuginfo-3.28.3-9.el7_4.i686.rpm nss-softokn-debuginfo-3.28.3-9.el7_4.x86_64.rpm nss-softokn-devel-3.28.3-9.el7_4.i686.rpm nss-softokn-devel-3.28.3-9.el7_4.x86_64.rpm nss-softokn-freebl-3.28.3-9.el7_4.i686.rpm nss-softokn-freebl-3.28.3-9.el7_4.x86_64.rpm nss-softokn-freebl-devel-3.28.3-9.el7_4.i686.rpm nss-softokn-freebl-devel-3.28.3-9.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source: nss-softokn-3.28.3-9.el7_4.src.rpm
ppc64le: nss-softokn-3.28.3-9.el7_4.ppc64le.rpm nss-softokn-debuginfo-3.28.3-9.el7_4.ppc64le.rpm nss-softokn-devel-3.28.3-9.el7_4.ppc64le.rpm nss-softokn-freebl-3.28.3-9.el7_4.ppc64le.rpm nss-softokn-freebl-devel-3.28.3-9.el7_4.ppc64le.rpm
x86_64: nss-softokn-3.28.3-9.el7_4.i686.rpm nss-softokn-3.28.3-9.el7_4.x86_64.rpm nss-softokn-debuginfo-3.28.3-9.el7_4.i686.rpm nss-softokn-debuginfo-3.28.3-9.el7_4.x86_64.rpm nss-softokn-devel-3.28.3-9.el7_4.i686.rpm nss-softokn-devel-3.28.3-9.el7_4.x86_64.rpm nss-softokn-freebl-3.28.3-9.el7_4.i686.rpm nss-softokn-freebl-3.28.3-9.el7_4.x86_64.rpm nss-softokn-freebl-devel-3.28.3-9.el7_4.i686.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1345-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1345
Issue date: 2020-04-07

Topic

An update for nss-softokn is now available for Red Hat Enterprise Linux 7.4Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.4 Update Services for SAPSolutions.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 red hat important key extraction cryptographic module nss-softokn out-of-bounds write

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.4) - x86_64

Red Hat Enterprise Linux Server E4S (v. 7.4) - ppc64le, x86_64

Red Hat Enterprise Linux Server TUS (v. 7.4) - x86_64

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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