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Sicherheit: Denial of Service in nss
Aktuelle Meldungen Distributionen
Name: Denial of Service in nss
ID: RHSA-2021:1384-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Di, 27. April 2021, 22:34
Referenzen: https://access.redhat.com/security/cve/CVE-2020-25648
Applikationen: NSS

Originalnachricht

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

Synopsis: Moderate: nss security and bug fix update
Advisory ID: RHSA-2021:1384-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1384
Issue date: 2021-04-27
CVE Names: CVE-2020-25648
=====================================================================

1. Summary:

An update for nss is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

Network Security Services (NSS) is a set of libraries designed to support
the cross-platform development of security-enabled client and server
applications.

Security Fix(es):

* nss: TLS 1.3 CCS flood remote DoS Attack (CVE-2020-25648)

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.

Bug Fix(es):

* FTBFS: Paypal Cert expired (BZ#1883973)

* FTBFS: IKE CLASS_1563 fails gtest (BZ#1884793)

* Cannot compile code with nss headers and -Werror=strict-prototypes
(BZ#1885321)

* CA HSM ncipher token disabled after RHEL-7.9 update (BZ#1932193)

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

After installing this update, applications using NSS (for example, Firefox)
must be restarted for this update to take effect.

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

1883973 - FTBFS: Paypal Cert expired [rhel-7.9.z]
1884793 - FTBFS: IKE CLASS_1563 fails gtest [rhel-7.9.z]
1885321 - Cannot compile code with nss headers and -Werror=strict-prototypes
1887319 - CVE-2020-25648 nss: TLS 1.3 CCS flood remote DoS Attack

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
nss-3.53.1-7.el7_9.src.rpm

x86_64:
nss-3.53.1-7.el7_9.i686.rpm
nss-3.53.1-7.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-sysinit-3.53.1-7.el7_9.x86_64.rpm
nss-tools-3.53.1-7.el7_9.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-devel-3.53.1-7.el7_9.i686.rpm
nss-devel-3.53.1-7.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
nss-3.53.1-7.el7_9.src.rpm

x86_64:
nss-3.53.1-7.el7_9.i686.rpm
nss-3.53.1-7.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-sysinit-3.53.1-7.el7_9.x86_64.rpm
nss-tools-3.53.1-7.el7_9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-devel-3.53.1-7.el7_9.i686.rpm
nss-devel-3.53.1-7.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
nss-3.53.1-7.el7_9.src.rpm

ppc64:
nss-3.53.1-7.el7_9.ppc.rpm
nss-3.53.1-7.el7_9.ppc64.rpm
nss-debuginfo-3.53.1-7.el7_9.ppc.rpm
nss-debuginfo-3.53.1-7.el7_9.ppc64.rpm
nss-devel-3.53.1-7.el7_9.ppc.rpm
nss-devel-3.53.1-7.el7_9.ppc64.rpm
nss-sysinit-3.53.1-7.el7_9.ppc64.rpm
nss-tools-3.53.1-7.el7_9.ppc64.rpm

ppc64le:
nss-3.53.1-7.el7_9.ppc64le.rpm
nss-debuginfo-3.53.1-7.el7_9.ppc64le.rpm
nss-devel-3.53.1-7.el7_9.ppc64le.rpm
nss-sysinit-3.53.1-7.el7_9.ppc64le.rpm
nss-tools-3.53.1-7.el7_9.ppc64le.rpm

s390x:
nss-3.53.1-7.el7_9.s390.rpm
nss-3.53.1-7.el7_9.s390x.rpm
nss-debuginfo-3.53.1-7.el7_9.s390.rpm
nss-debuginfo-3.53.1-7.el7_9.s390x.rpm
nss-devel-3.53.1-7.el7_9.s390.rpm
nss-devel-3.53.1-7.el7_9.s390x.rpm
nss-sysinit-3.53.1-7.el7_9.s390x.rpm
nss-tools-3.53.1-7.el7_9.s390x.rpm

x86_64:
nss-3.53.1-7.el7_9.i686.rpm
nss-3.53.1-7.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-devel-3.53.1-7.el7_9.i686.rpm
nss-devel-3.53.1-7.el7_9.x86_64.rpm
nss-sysinit-3.53.1-7.el7_9.x86_64.rpm
nss-tools-3.53.1-7.el7_9.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
nss-debuginfo-3.53.1-7.el7_9.ppc.rpm
nss-debuginfo-3.53.1-7.el7_9.ppc64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.ppc.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.ppc64.rpm

ppc64le:
nss-debuginfo-3.53.1-7.el7_9.ppc64le.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.ppc64le.rpm

s390x:
nss-debuginfo-3.53.1-7.el7_9.s390.rpm
nss-debuginfo-3.53.1-7.el7_9.s390x.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.s390.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.s390x.rpm

x86_64:
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
nss-3.53.1-7.el7_9.src.rpm

x86_64:
nss-3.53.1-7.el7_9.i686.rpm
nss-3.53.1-7.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-devel-3.53.1-7.el7_9.i686.rpm
nss-devel-3.53.1-7.el7_9.x86_64.rpm
nss-sysinit-3.53.1-7.el7_9.x86_64.rpm
nss-tools-3.53.1-7.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.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-2020-25648
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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