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Red Hat 7.4: RHSA-2021-0758 Moderate: NSS-Softokn Security Update

red hat
Calendar Grey March 9, 2021
Dist Redhat Esm H88
Uncover the recent security patch concerning nss-softokn that impacts Red Hat Enterprise Linux, classified at Moderate for potential security ramifications.
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: Use-after-free in sftk_FreeSession due to improper refcounting (CVE-2019-11756)
* nss: Check length of inputs for cryptographic primitives (CVE-2019-17006)
* nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read (CVE-2020-12403)
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 update moderate impact cryptographic module nss-softokn softoken NSS-Softokn Moderate Impact

References

https://access.redhat.com/security/cve/CVE-2019-11756 https://access.redhat.com/security/cve/CVE-2019-17006 https://access.redhat.com/security/cve/CVE-2020-12403 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Server AUS (v. 7.4):
Source: nss-softokn-3.28.3-10.el7_4.src.rpm
x86_64: nss-softokn-3.28.3-10.el7_4.i686.rpm nss-softokn-3.28.3-10.el7_4.x86_64.rpm nss-softokn-debuginfo-3.28.3-10.el7_4.i686.rpm nss-softokn-debuginfo-3.28.3-10.el7_4.x86_64.rpm nss-softokn-devel-3.28.3-10.el7_4.i686.rpm nss-softokn-devel-3.28.3-10.el7_4.x86_64.rpm nss-softokn-freebl-3.28.3-10.el7_4.i686.rpm nss-softokn-freebl-3.28.3-10.el7_4.x86_64.rpm nss-softokn-freebl-devel-3.28.3-10.el7_4.i686.rpm nss-softokn-freebl-devel-3.28.3-10.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source: nss-softokn-3.28.3-10.el7_4.src.rpm
ppc64le: nss-softokn-3.28.3-10.el7_4.ppc64le.rpm nss-softokn-debuginfo-3.28.3-10.el7_4.ppc64le.rpm nss-softokn-devel-3.28.3-10.el7_4.ppc64le.rpm nss-softokn-freebl-3.28.3-10.el7_4.ppc64le.rpm nss-softokn-freebl-devel-3.28.3-10.el7_4.ppc64le.rpm
x86_64: nss-softokn-3.28.3-10.el7_4.i686.rpm nss-softokn-3.28.3-10.el7_4.x86_64.rpm nss-softokn-debuginfo-3.28.3-10.el7_4.i686.rpm nss-softokn-debuginfo-3.28.3-10.el7_4.x86_64.rpm nss-softokn-devel-3.28.3-10.el7_4.i686.rpm nss-softokn-devel-3.28.3-10.el7_4.x86_64.rpm nss-softokn-freebl-3.28.3-10.el7_4.i686.rpm nss-softokn-freebl-3.28.3-10.el7_4.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:0758-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0758
Issue date: 2021-03-09

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 Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat update moderate impact cryptographic module nss-softokn softoken NSS-Softokn Moderate Impact

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

1774835 - CVE-2019-11756 nss: Use-after-free in sftk_FreeSession due to improper refcounting

1775916 - CVE-2019-17006 nss: Check length of inputs for cryptographic primitives

1868931 - CVE-2020-12403 nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read

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