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Red Hat Security Advisory 2021-2184-01

Red Hat Security Advisory 2021-2184-01
Posted Jun 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2184-01 - Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, perl
systems | linux, redhat
advisories | CVE-2020-12723
SHA-256 | 640a6516dc421f71a1f4a6312e6a17329fc0c7c9f1c208717ac6f99d6a4f6763

Red Hat Security Advisory 2021-2184-01

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

Synopsis: Moderate: perl security update
Advisory ID: RHSA-2021:2184-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2184
Issue date: 2021-06-02
CVE Names: CVE-2020-12723
=====================================================================

1. Summary:

An update for perl is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.

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 EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - 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
1946630 - perl-5.26.3-416.el8 FTBFS: ../cpan/Time-Local/t/Local.t test fails in year 2020 [rhel-8.2.0.z]

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.2):

aarch64:
perl-5.26.3-417.el8_2.aarch64.rpm
perl-Devel-Peek-1.26-417.el8_2.aarch64.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_2.aarch64.rpm
perl-IO-debuginfo-1.38-417.el8_2.aarch64.rpm
perl-Time-Piece-1.31-417.el8_2.aarch64.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.aarch64.rpm
perl-debuginfo-5.26.3-417.el8_2.aarch64.rpm
perl-debugsource-5.26.3-417.el8_2.aarch64.rpm
perl-devel-5.26.3-417.el8_2.aarch64.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.aarch64.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.aarch64.rpm
perl-tests-5.26.3-417.el8_2.aarch64.rpm

noarch:
perl-Attribute-Handlers-0.99-417.el8_2.noarch.rpm
perl-Devel-SelfStubber-1.06-417.el8_2.noarch.rpm
perl-ExtUtils-Embed-1.34-417.el8_2.noarch.rpm
perl-ExtUtils-Miniperl-1.06-417.el8_2.noarch.rpm
perl-Locale-Maketext-Simple-0.21-417.el8_2.noarch.rpm
perl-Memoize-1.03-417.el8_2.noarch.rpm
perl-Module-Loaded-0.08-417.el8_2.noarch.rpm
perl-Net-Ping-2.55-417.el8_2.noarch.rpm
perl-Pod-Html-1.22.02-417.el8_2.noarch.rpm
perl-SelfLoader-1.23-417.el8_2.noarch.rpm
perl-Test-1.30-417.el8_2.noarch.rpm
perl-libnetcfg-5.26.3-417.el8_2.noarch.rpm
perl-open-1.11-417.el8_2.noarch.rpm
perl-utils-5.26.3-417.el8_2.noarch.rpm

ppc64le:
perl-5.26.3-417.el8_2.ppc64le.rpm
perl-Devel-Peek-1.26-417.el8_2.ppc64le.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_2.ppc64le.rpm
perl-IO-debuginfo-1.38-417.el8_2.ppc64le.rpm
perl-Time-Piece-1.31-417.el8_2.ppc64le.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.ppc64le.rpm
perl-debuginfo-5.26.3-417.el8_2.ppc64le.rpm
perl-debugsource-5.26.3-417.el8_2.ppc64le.rpm
perl-devel-5.26.3-417.el8_2.ppc64le.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.ppc64le.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.ppc64le.rpm
perl-tests-5.26.3-417.el8_2.ppc64le.rpm

s390x:
perl-5.26.3-417.el8_2.s390x.rpm
perl-Devel-Peek-1.26-417.el8_2.s390x.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_2.s390x.rpm
perl-IO-debuginfo-1.38-417.el8_2.s390x.rpm
perl-Time-Piece-1.31-417.el8_2.s390x.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.s390x.rpm
perl-debuginfo-5.26.3-417.el8_2.s390x.rpm
perl-debugsource-5.26.3-417.el8_2.s390x.rpm
perl-devel-5.26.3-417.el8_2.s390x.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.s390x.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.s390x.rpm
perl-tests-5.26.3-417.el8_2.s390x.rpm

x86_64:
perl-5.26.3-417.el8_2.x86_64.rpm
perl-Devel-Peek-1.26-417.el8_2.x86_64.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_2.i686.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_2.x86_64.rpm
perl-IO-debuginfo-1.38-417.el8_2.i686.rpm
perl-IO-debuginfo-1.38-417.el8_2.x86_64.rpm
perl-Time-Piece-1.31-417.el8_2.x86_64.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.i686.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.x86_64.rpm
perl-debuginfo-5.26.3-417.el8_2.i686.rpm
perl-debuginfo-5.26.3-417.el8_2.x86_64.rpm
perl-debugsource-5.26.3-417.el8_2.i686.rpm
perl-debugsource-5.26.3-417.el8_2.x86_64.rpm
perl-devel-5.26.3-417.el8_2.i686.rpm
perl-devel-5.26.3-417.el8_2.x86_64.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.i686.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.x86_64.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.i686.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.x86_64.rpm
perl-tests-5.26.3-417.el8_2.x86_64.rpm

Red Hat Enterprise Linux BaseOS EUS (v. 8.2):

Source:
perl-5.26.3-417.el8_2.src.rpm

aarch64:
perl-Devel-Peek-debuginfo-1.26-417.el8_2.aarch64.rpm
perl-Errno-1.28-417.el8_2.aarch64.rpm
perl-IO-1.38-417.el8_2.aarch64.rpm
perl-IO-debuginfo-1.38-417.el8_2.aarch64.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.aarch64.rpm
perl-debuginfo-5.26.3-417.el8_2.aarch64.rpm
perl-debugsource-5.26.3-417.el8_2.aarch64.rpm
perl-interpreter-5.26.3-417.el8_2.aarch64.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.aarch64.rpm
perl-libs-5.26.3-417.el8_2.aarch64.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.aarch64.rpm
perl-macros-5.26.3-417.el8_2.aarch64.rpm

noarch:
perl-IO-Zlib-1.10-417.el8_2.noarch.rpm
perl-Math-Complex-1.59-417.el8_2.noarch.rpm

ppc64le:
perl-Devel-Peek-debuginfo-1.26-417.el8_2.ppc64le.rpm
perl-Errno-1.28-417.el8_2.ppc64le.rpm
perl-IO-1.38-417.el8_2.ppc64le.rpm
perl-IO-debuginfo-1.38-417.el8_2.ppc64le.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.ppc64le.rpm
perl-debuginfo-5.26.3-417.el8_2.ppc64le.rpm
perl-debugsource-5.26.3-417.el8_2.ppc64le.rpm
perl-interpreter-5.26.3-417.el8_2.ppc64le.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.ppc64le.rpm
perl-libs-5.26.3-417.el8_2.ppc64le.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.ppc64le.rpm
perl-macros-5.26.3-417.el8_2.ppc64le.rpm

s390x:
perl-Devel-Peek-debuginfo-1.26-417.el8_2.s390x.rpm
perl-Errno-1.28-417.el8_2.s390x.rpm
perl-IO-1.38-417.el8_2.s390x.rpm
perl-IO-debuginfo-1.38-417.el8_2.s390x.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.s390x.rpm
perl-debuginfo-5.26.3-417.el8_2.s390x.rpm
perl-debugsource-5.26.3-417.el8_2.s390x.rpm
perl-interpreter-5.26.3-417.el8_2.s390x.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.s390x.rpm
perl-libs-5.26.3-417.el8_2.s390x.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.s390x.rpm
perl-macros-5.26.3-417.el8_2.s390x.rpm

x86_64:
perl-Devel-Peek-debuginfo-1.26-417.el8_2.i686.rpm
perl-Devel-Peek-debuginfo-1.26-417.el8_2.x86_64.rpm
perl-Errno-1.28-417.el8_2.x86_64.rpm
perl-IO-1.38-417.el8_2.x86_64.rpm
perl-IO-debuginfo-1.38-417.el8_2.i686.rpm
perl-IO-debuginfo-1.38-417.el8_2.x86_64.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.i686.rpm
perl-Time-Piece-debuginfo-1.31-417.el8_2.x86_64.rpm
perl-debuginfo-5.26.3-417.el8_2.i686.rpm
perl-debuginfo-5.26.3-417.el8_2.x86_64.rpm
perl-debugsource-5.26.3-417.el8_2.i686.rpm
perl-debugsource-5.26.3-417.el8_2.x86_64.rpm
perl-interpreter-5.26.3-417.el8_2.x86_64.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.i686.rpm
perl-interpreter-debuginfo-5.26.3-417.el8_2.x86_64.rpm
perl-libs-5.26.3-417.el8_2.i686.rpm
perl-libs-5.26.3-417.el8_2.x86_64.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.i686.rpm
perl-libs-debuginfo-5.26.3-417.el8_2.x86_64.rpm
perl-macros-5.26.3-417.el8_2.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.
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