Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.0572
perl security update
17 February 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: perl
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-12723
Reference: ESB-2021.0371
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:0557
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: perl security update
Advisory ID: RHSA-2021:0557-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0557
Issue date: 2021-02-16
CVE Names: CVE-2020-12723
=====================================================================
1. Summary:
An update for perl is now available for Red Hat Enterprise Linux 8.
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 AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
3. Description:
Perl is a high-level programming language that is commonly used for system
administration utilities and web programming.
Security Fix(es):
* perl: corruption of intermediate language state of compiled regular
expression due to recursive S_study_chunk() calls leads to DoS
(CVE-2020-12723)
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/):
1838000 - CVE-2020-12723 perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
perl-5.26.3-417.el8_3.aarch64.rpm
perl-Devel-Peek-1.26-417.el8_3.aarch64.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_3.aarch64.rpm
perl-IO-debuginfo-1.38-417.el8_3.aarch64.rpm
perl-Time-Piece-1.31-417.el8_3.aarch64.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.aarch64.rpm
perl-debuginfo-5.26.3-417.el8_3.aarch64.rpm
perl-debugsource-5.26.3-417.el8_3.aarch64.rpm
perl-devel-5.26.3-417.el8_3.aarch64.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.aarch64.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.aarch64.rpm
perl-tests-5.26.3-417.el8_3.aarch64.rpm
noarch:
perl-Attribute-Handlers-0.99-417.el8_3.noarch.rpm
perl-Devel-SelfStubber-1.06-417.el8_3.noarch.rpm
perl-ExtUtils-Embed-1.34-417.el8_3.noarch.rpm
perl-ExtUtils-Miniperl-1.06-417.el8_3.noarch.rpm
perl-Locale-Maketext-Simple-0.21-417.el8_3.noarch.rpm
perl-Memoize-1.03-417.el8_3.noarch.rpm
perl-Module-Loaded-0.08-417.el8_3.noarch.rpm
perl-Net-Ping-2.55-417.el8_3.noarch.rpm
perl-Pod-Html-1.22.02-417.el8_3.noarch.rpm
perl-SelfLoader-1.23-417.el8_3.noarch.rpm
perl-Test-1.30-417.el8_3.noarch.rpm
perl-libnetcfg-5.26.3-417.el8_3.noarch.rpm
perl-open-1.11-417.el8_3.noarch.rpm
perl-utils-5.26.3-417.el8_3.noarch.rpm
ppc64le:
perl-5.26.3-417.el8_3.ppc64le.rpm
perl-Devel-Peek-1.26-417.el8_3.ppc64le.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_3.ppc64le.rpm
perl-IO-debuginfo-1.38-417.el8_3.ppc64le.rpm
perl-Time-Piece-1.31-417.el8_3.ppc64le.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.ppc64le.rpm
perl-debuginfo-5.26.3-417.el8_3.ppc64le.rpm
perl-debugsource-5.26.3-417.el8_3.ppc64le.rpm
perl-devel-5.26.3-417.el8_3.ppc64le.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.ppc64le.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.ppc64le.rpm
perl-tests-5.26.3-417.el8_3.ppc64le.rpm
s390x:
perl-5.26.3-417.el8_3.s390x.rpm
perl-Devel-Peek-1.26-417.el8_3.s390x.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_3.s390x.rpm
perl-IO-debuginfo-1.38-417.el8_3.s390x.rpm
perl-Time-Piece-1.31-417.el8_3.s390x.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.s390x.rpm
perl-debuginfo-5.26.3-417.el8_3.s390x.rpm
perl-debugsource-5.26.3-417.el8_3.s390x.rpm
perl-devel-5.26.3-417.el8_3.s390x.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.s390x.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.s390x.rpm
perl-tests-5.26.3-417.el8_3.s390x.rpm
x86_64:
perl-5.26.3-417.el8_3.x86_64.rpm
perl-Devel-Peek-1.26-417.el8_3.x86_64.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_3.i686.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_3.x86_64.rpm
perl-IO-debuginfo-1.38-417.el8_3.i686.rpm
perl-IO-debuginfo-1.38-417.el8_3.x86_64.rpm
perl-Time-Piece-1.31-417.el8_3.x86_64.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.i686.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.x86_64.rpm
perl-debuginfo-5.26.3-417.el8_3.i686.rpm
perl-debuginfo-5.26.3-417.el8_3.x86_64.rpm
perl-debugsource-5.26.3-417.el8_3.i686.rpm
perl-debugsource-5.26.3-417.el8_3.x86_64.rpm
perl-devel-5.26.3-417.el8_3.i686.rpm
perl-devel-5.26.3-417.el8_3.x86_64.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.i686.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.x86_64.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.i686.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.x86_64.rpm
perl-tests-5.26.3-417.el8_3.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
perl-5.26.3-417.el8_3.src.rpm
aarch64:
perl-Devel-Peek-debuginfo-1.26-417.el8_3.aarch64.rpm
perl-Errno-1.28-417.el8_3.aarch64.rpm
perl-IO-1.38-417.el8_3.aarch64.rpm
perl-IO-debuginfo-1.38-417.el8_3.aarch64.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.aarch64.rpm
perl-debuginfo-5.26.3-417.el8_3.aarch64.rpm
perl-debugsource-5.26.3-417.el8_3.aarch64.rpm
perl-interpreter-5.26.3-417.el8_3.aarch64.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.aarch64.rpm
perl-libs-5.26.3-417.el8_3.aarch64.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.aarch64.rpm
perl-macros-5.26.3-417.el8_3.aarch64.rpm
noarch:
perl-IO-Zlib-1.10-417.el8_3.noarch.rpm
perl-Math-Complex-1.59-417.el8_3.noarch.rpm
ppc64le:
perl-Devel-Peek-debuginfo-1.26-417.el8_3.ppc64le.rpm
perl-Errno-1.28-417.el8_3.ppc64le.rpm
perl-IO-1.38-417.el8_3.ppc64le.rpm
perl-IO-debuginfo-1.38-417.el8_3.ppc64le.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.ppc64le.rpm
perl-debuginfo-5.26.3-417.el8_3.ppc64le.rpm
perl-debugsource-5.26.3-417.el8_3.ppc64le.rpm
perl-interpreter-5.26.3-417.el8_3.ppc64le.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.ppc64le.rpm
perl-libs-5.26.3-417.el8_3.ppc64le.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.ppc64le.rpm
perl-macros-5.26.3-417.el8_3.ppc64le.rpm
s390x:
perl-Devel-Peek-debuginfo-1.26-417.el8_3.s390x.rpm
perl-Errno-1.28-417.el8_3.s390x.rpm
perl-IO-1.38-417.el8_3.s390x.rpm
perl-IO-debuginfo-1.38-417.el8_3.s390x.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.s390x.rpm
perl-debuginfo-5.26.3-417.el8_3.s390x.rpm
perl-debugsource-5.26.3-417.el8_3.s390x.rpm
perl-interpreter-5.26.3-417.el8_3.s390x.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.s390x.rpm
perl-libs-5.26.3-417.el8_3.s390x.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.s390x.rpm
perl-macros-5.26.3-417.el8_3.s390x.rpm
x86_64:
perl-Devel-Peek-debuginfo-1.26-417.el8_3.i686.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_3.x86_64.rpm
perl-Errno-1.28-417.el8_3.x86_64.rpm
perl-IO-1.38-417.el8_3.x86_64.rpm
perl-IO-debuginfo-1.38-417.el8_3.i686.rpm
perl-IO-debuginfo-1.38-417.el8_3.x86_64.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.i686.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_3.x86_64.rpm
perl-debuginfo-5.26.3-417.el8_3.i686.rpm
perl-debuginfo-5.26.3-417.el8_3.x86_64.rpm
perl-debugsource-5.26.3-417.el8_3.i686.rpm
perl-debugsource-5.26.3-417.el8_3.x86_64.rpm
perl-interpreter-5.26.3-417.el8_3.x86_64.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.i686.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_3.x86_64.rpm
perl-libs-5.26.3-417.el8_3.i686.rpm
perl-libs-5.26.3-417.el8_3.x86_64.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.i686.rpm
perl-libs-debuginfo-5.26.3-417.el8_3.x86_64.rpm
perl-macros-5.26.3-417.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-2020-12723
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.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=Il9H
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
iQIVAwUBYCycGeNLKJtyKPYoAQhFaQ//QkLuVsYeLOzwkzTrlL8G/03ArOjn6pwD
3Sx5RpTesPZ9ljG7ZtgfS/nAqSUeNFgVoB2tTWWHOT1xsDmQ7hq8rIWBKb+lWpsH
xq3GBeq8r4LAogLnGB0VVzaQ+1vbd1HJIjKG07IBAXcMbMAy4W4GxfOFM5KXwCE1
WbhNIxZdzHFMwmAkFR6h3Zo1MeI7gKeOnhDI0g0dRLELzji0fpQDqNf0weRzQoWT
iL6uL4sZBgyBy1KZTIGyJsCjrwG89irQk9MVHevkdVnJ0D1ZYIumdWa5B+vSJHZZ
Wkd/3kT8p1qH4cKJ2ibT0Rq96ryrGmi5urmGCy3qF8+l9RosFLPqi5njt/ER62M9
pHZ66PozEPyMfNZBx/zLL2rt/RSJKbutS8kgYNRi/KARqOaROw3HeM0d11xjorgf
h9seJ3T6H+eUUn/RCfJrAJ5dhh5rHlbsvsrOr+D3tvQI0aORsDZlA72tHiMFE2J9
8/V3sjlpN69mRUMpVOGOvJHw9Iz6eW5NqQ4TUl12f+hHTxV0v6LKoXm+TuAJMpXu
/1KliHpIgpXlbvwRqHkn2WN1loyR4BtHBq6JZfX0cGiM9AHq+mu82ElX0styNpsv
awr9Y1R5lxYibqMCaQUvLp7/aFHLT7PMofwI8JO0h0LhOHCXqbB8qMr6qrHgvei0
0HaXQ83qzmI=
=2dFF
-----END PGP SIGNATURE-----