exploit the possibilities

Red Hat Security Advisory 2021-1206-01

Red Hat Security Advisory 2021-1206-01
Posted Apr 15, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1206-01 - The gnutls packages provide the GNU Transport Layer Security library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Nettle is a cryptographic library that is designed to fit easily in almost any context: In crypto toolkits for object-oriented languages, such as C++, Python, or Pike, in applications like LSH or GNUPG, or even in kernel space.

tags | advisory, kernel, crypto, protocol, python
systems | linux, redhat
advisories | CVE-2021-20305
MD5 | 390532b6ce55a0e44ef5ab6f18499ef8

Red Hat Security Advisory 2021-1206-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis: Important: gnutls and nettle security update
Advisory ID: RHSA-2021:1206-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1206
Issue date: 2021-04-14
CVE Names: CVE-2021-20305
====================================================================
1. Summary:

An update for gnutls and nettle is now available for Red Hat Enterprise
Linux 8.

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 AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

The gnutls packages provide the GNU Transport Layer Security (GnuTLS)
library, which implements cryptographic algorithms and protocols such as
SSL, TLS, and DTLS.

Nettle is a cryptographic library that is designed to fit easily in almost
any context: In crypto toolkits for object-oriented languages, such as C++,
Python, or Pike, in applications like LSH or GNUPG, or even in kernel
space.

Security Fix(es):

* nettle: Out of bounds memory access in signature verification
(CVE-2021-20305)

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/):

1942533 - CVE-2021-20305 nettle: Out of bounds memory access in signature verification

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

aarch64:
gnutls-c++-3.6.14-8.el8_3.aarch64.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.aarch64.rpm
gnutls-dane-3.6.14-8.el8_3.aarch64.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.aarch64.rpm
gnutls-debuginfo-3.6.14-8.el8_3.aarch64.rpm
gnutls-debugsource-3.6.14-8.el8_3.aarch64.rpm
gnutls-devel-3.6.14-8.el8_3.aarch64.rpm
gnutls-utils-3.6.14-8.el8_3.aarch64.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.aarch64.rpm
nettle-debuginfo-3.4.1-4.el8_3.aarch64.rpm
nettle-debugsource-3.4.1-4.el8_3.aarch64.rpm
nettle-devel-3.4.1-4.el8_3.aarch64.rpm

ppc64le:
gnutls-c++-3.6.14-8.el8_3.ppc64le.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.ppc64le.rpm
gnutls-dane-3.6.14-8.el8_3.ppc64le.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.ppc64le.rpm
gnutls-debuginfo-3.6.14-8.el8_3.ppc64le.rpm
gnutls-debugsource-3.6.14-8.el8_3.ppc64le.rpm
gnutls-devel-3.6.14-8.el8_3.ppc64le.rpm
gnutls-utils-3.6.14-8.el8_3.ppc64le.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.ppc64le.rpm
nettle-debuginfo-3.4.1-4.el8_3.ppc64le.rpm
nettle-debugsource-3.4.1-4.el8_3.ppc64le.rpm
nettle-devel-3.4.1-4.el8_3.ppc64le.rpm

s390x:
gnutls-c++-3.6.14-8.el8_3.s390x.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.s390x.rpm
gnutls-dane-3.6.14-8.el8_3.s390x.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.s390x.rpm
gnutls-debuginfo-3.6.14-8.el8_3.s390x.rpm
gnutls-debugsource-3.6.14-8.el8_3.s390x.rpm
gnutls-devel-3.6.14-8.el8_3.s390x.rpm
gnutls-utils-3.6.14-8.el8_3.s390x.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.s390x.rpm
nettle-debuginfo-3.4.1-4.el8_3.s390x.rpm
nettle-debugsource-3.4.1-4.el8_3.s390x.rpm
nettle-devel-3.4.1-4.el8_3.s390x.rpm

x86_64:
gnutls-c++-3.6.14-8.el8_3.i686.rpm
gnutls-c++-3.6.14-8.el8_3.x86_64.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.i686.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.x86_64.rpm
gnutls-dane-3.6.14-8.el8_3.i686.rpm
gnutls-dane-3.6.14-8.el8_3.x86_64.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.i686.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.x86_64.rpm
gnutls-debuginfo-3.6.14-8.el8_3.i686.rpm
gnutls-debuginfo-3.6.14-8.el8_3.x86_64.rpm
gnutls-debugsource-3.6.14-8.el8_3.i686.rpm
gnutls-debugsource-3.6.14-8.el8_3.x86_64.rpm
gnutls-devel-3.6.14-8.el8_3.i686.rpm
gnutls-devel-3.6.14-8.el8_3.x86_64.rpm
gnutls-utils-3.6.14-8.el8_3.x86_64.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.i686.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.x86_64.rpm
nettle-debuginfo-3.4.1-4.el8_3.i686.rpm
nettle-debuginfo-3.4.1-4.el8_3.x86_64.rpm
nettle-debugsource-3.4.1-4.el8_3.i686.rpm
nettle-debugsource-3.4.1-4.el8_3.x86_64.rpm
nettle-devel-3.4.1-4.el8_3.i686.rpm
nettle-devel-3.4.1-4.el8_3.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
gnutls-3.6.14-8.el8_3.src.rpm
nettle-3.4.1-4.el8_3.src.rpm

aarch64:
gnutls-3.6.14-8.el8_3.aarch64.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.aarch64.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.aarch64.rpm
gnutls-debuginfo-3.6.14-8.el8_3.aarch64.rpm
gnutls-debugsource-3.6.14-8.el8_3.aarch64.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.aarch64.rpm
nettle-3.4.1-4.el8_3.aarch64.rpm
nettle-debuginfo-3.4.1-4.el8_3.aarch64.rpm
nettle-debugsource-3.4.1-4.el8_3.aarch64.rpm

ppc64le:
gnutls-3.6.14-8.el8_3.ppc64le.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.ppc64le.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.ppc64le.rpm
gnutls-debuginfo-3.6.14-8.el8_3.ppc64le.rpm
gnutls-debugsource-3.6.14-8.el8_3.ppc64le.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.ppc64le.rpm
nettle-3.4.1-4.el8_3.ppc64le.rpm
nettle-debuginfo-3.4.1-4.el8_3.ppc64le.rpm
nettle-debugsource-3.4.1-4.el8_3.ppc64le.rpm

s390x:
gnutls-3.6.14-8.el8_3.s390x.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.s390x.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.s390x.rpm
gnutls-debuginfo-3.6.14-8.el8_3.s390x.rpm
gnutls-debugsource-3.6.14-8.el8_3.s390x.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.s390x.rpm
nettle-3.4.1-4.el8_3.s390x.rpm
nettle-debuginfo-3.4.1-4.el8_3.s390x.rpm
nettle-debugsource-3.4.1-4.el8_3.s390x.rpm

x86_64:
gnutls-3.6.14-8.el8_3.i686.rpm
gnutls-3.6.14-8.el8_3.x86_64.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.i686.rpm
gnutls-c++-debuginfo-3.6.14-8.el8_3.x86_64.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.i686.rpm
gnutls-dane-debuginfo-3.6.14-8.el8_3.x86_64.rpm
gnutls-debuginfo-3.6.14-8.el8_3.i686.rpm
gnutls-debuginfo-3.6.14-8.el8_3.x86_64.rpm
gnutls-debugsource-3.6.14-8.el8_3.i686.rpm
gnutls-debugsource-3.6.14-8.el8_3.x86_64.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.i686.rpm
gnutls-utils-debuginfo-3.6.14-8.el8_3.x86_64.rpm
nettle-3.4.1-4.el8_3.i686.rpm
nettle-3.4.1-4.el8_3.x86_64.rpm
nettle-debuginfo-3.4.1-4.el8_3.i686.rpm
nettle-debuginfo-3.4.1-4.el8_3.x86_64.rpm
nettle-debugsource-3.4.1-4.el8_3.i686.rpm
nettle-debugsource-3.4.1-4.el8_3.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-2021-20305
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 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

May 2021

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    May 1st
    1 Files
  • 2
    May 2nd
    4 Files
  • 3
    May 3rd
    27 Files
  • 4
    May 4th
    17 Files
  • 5
    May 5th
    3 Files
  • 6
    May 6th
    20 Files
  • 7
    May 7th
    0 Files
  • 8
    May 8th
    0 Files
  • 9
    May 9th
    0 Files
  • 10
    May 10th
    0 Files
  • 11
    May 11th
    0 Files
  • 12
    May 12th
    0 Files
  • 13
    May 13th
    0 Files
  • 14
    May 14th
    0 Files
  • 15
    May 15th
    0 Files
  • 16
    May 16th
    0 Files
  • 17
    May 17th
    0 Files
  • 18
    May 18th
    0 Files
  • 19
    May 19th
    0 Files
  • 20
    May 20th
    0 Files
  • 21
    May 21st
    0 Files
  • 22
    May 22nd
    0 Files
  • 23
    May 23rd
    0 Files
  • 24
    May 24th
    0 Files
  • 25
    May 25th
    0 Files
  • 26
    May 26th
    0 Files
  • 27
    May 27th
    0 Files
  • 28
    May 28th
    0 Files
  • 29
    May 29th
    0 Files
  • 30
    May 30th
    0 Files
  • 31
    May 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close