RedHat: RHSA-2021-1032:01 Moderate: perl security update
Summary
Perl is a high-level programming language that is commonly used for system
administration utilities and web programming.
Security Fix(es):
* perl: heap-based buffer overflow in regular expression compiler leads to
DoS (CVE-2020-10543)
* perl: corruption of intermediate language state of compiled regular
expression due to integer overflow leads to DoS (CVE-2020-10878)
* 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.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2020-10543 https://access.redhat.com/security/cve/CVE-2020-10878 https://access.redhat.com/security/cve/CVE-2020-12723 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
Source:
perl-5.16.3-294.el7_7.1.src.rpm
noarch:
perl-CPAN-1.9800-294.el7_7.1.noarch.rpm
perl-ExtUtils-CBuilder-0.28.2.6-294.el7_7.1.noarch.rpm
perl-ExtUtils-Embed-1.30-294.el7_7.1.noarch.rpm
perl-ExtUtils-Install-1.58-294.el7_7.1.noarch.rpm
perl-IO-Zlib-1.10-294.el7_7.1.noarch.rpm
perl-Locale-Maketext-Simple-0.21-294.el7_7.1.noarch.rpm
perl-Module-CoreList-2.76.02-294.el7_7.1.noarch.rpm
perl-Module-Loaded-0.08-294.el7_7.1.noarch.rpm
perl-Object-Accessor-0.42-294.el7_7.1.noarch.rpm
perl-Package-Constants-0.02-294.el7_7.1.noarch.rpm
perl-Pod-Escapes-1.04-294.el7_7.1.noarch.rpm
x86_64:
perl-5.16.3-294.el7_7.1.x86_64.rpm
perl-Time-Piece-1.20.1-294.el7_7.1.x86_64.rpm
perl-core-5.16.3-294.el7_7.1.x86_64.rpm
perl-debuginfo-5.16.3-294.el7_7.1.i686.rpm
perl-debuginfo-5.16.3-294.el7_7.1.x86_64.rpm
perl-devel-5.16.3-294.el7_7.1.i686.rpm
perl-devel-5.16.3-294.el7_7.1.x86_64.rpm
perl-libs-5.16.3-294.el7_7.1.i686.rpm
perl-libs-5.16.3-294.el7_7.1.x86_64.rpm
perl-macros-5.16.3-294.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
x86_64:
perl-debuginfo-5.16.3-294.el7_7.1.x86_64.rpm
perl-tests-5.16.3-294.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.7):
Source:
perl-5.16.3-294.el7_7.1.src.rpm
noarch:
perl-CPAN-1.9800-294.el7_7.1.noarch.rpm
perl-ExtUtils-CBuilder-0.28.2.6-294.el7_7.1.noarch.rpm
perl-ExtUtils-Embed-1.30-294.el7_7.1.noarch.rpm
perl-ExtUtils-Install-1.58-294.el7_7.1.noarch.rpm
perl-IO-Zlib-1.10-294.el7_7.1.noarch.rpm
perl-Locale-Maketext-Simple-0.21-294.el7_7.1.noarch.rpm
perl-Module-CoreList-2.76.02-294.el7_7.1.noarch.rpm
perl-Module-Loaded-0.08-294.el7_7.1.noarch.rpm
perl-Object-Accessor-0.42-294.el7_7.1.noarch.rpm
perl-Package-Constants-0.02-294.el7_7.1.noarch.rpm
perl-Pod-Escapes-1.04-294.el7_7.1.noarch.rpm
ppc64:
perl-5.16.3-294.el7_7.1.ppc64.rpm
perl-Time-Piece-1.20.1-294.el7_7.1.ppc64.rpm
perl-core-5.16.3-294.el7_7.1.ppc64.rpm
perl-debuginfo-5.16.3-294.el7_7.1.ppc.rpm
perl-debuginfo-5.16.3-294.el7_7.1.ppc64.rpm
perl-devel-5.16.3-294.el7_7.1.ppc.rpm
perl-devel-5.16.3-294.el7_7.1.ppc64.rpm
perl-libs-5.16.3-294.el7_7.1.ppc.rpm
perl-libs-5.16.3-294.el7_7.1.ppc64.rpm
perl-macros-5.16.3-294.el7_7.1.ppc64.rpm
ppc64le:
perl-5.16.3-294.el7_7.1.ppc64le.rpm
perl-Time-Piece-1.20.1-294.el7_7.1.ppc64le.rpm
perl-core-5.16.3-294.el7_7.1.ppc64le.rpm
perl-debuginfo-5.16.3-294.el7_7.1.ppc64le.rpm
perl-devel-5.16.3-294.el7_7.1.ppc64le.rpm
perl-libs-5.16.3-294.el7_7.1.ppc64le.rpm
perl-macros-5.16.3-294.el7_7.1.ppc64le.rpm
s390x:
perl-5.16.3-294.el7_7.1.s390x.rpm
perl-Time-Piece-1.20.1-294.el7_7.1.s390x.rpm
perl-core-5.16.3-294.el7_7.1.s390x.rpm
perl-debuginfo-5.16.3-294.el7_7.1.s390.rpm
perl-debuginfo-5.16.3-294.el7_7.1.s390x.rpm
perl-devel-5.16.3-294.el7_7.1.s390.rpm
perl-devel-5.16.3-294.el7_7.1.s390x.rpm
perl-libs-5.16.3-294.el7_7.1.s390.rpm
perl-libs-5.16.3-294.el7_7.1.s390x.rpm
perl-macros-5.16.3-294.el7_7.1.s390x.rpm
x86_64:
perl-5.16.3-294.el7_7.1.x86_64.rpm
perl-Time-Piece-1.20.1-294.el7_7.1.x86_64.rpm
perl-core-5.16.3-294.el7_7.1.x86_64.rpm
perl-debuginfo-5.16.3-294.el7_7.1.i686.rpm
perl-debuginfo-5.16.3-294.el7_7.1.x86_64.rpm
perl-devel-5.16.3-294.el7_7.1.i686.rpm
perl-devel-5.16.3-294.el7_7.1.x86_64.rpm
perl-libs-5.16.3-294.el7_7.1.i686.rpm
perl-libs-5.16.3-294.el7_7.1.x86_64.rpm
perl-macros-5.16.3-294.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
ppc64:
perl-debuginfo-5.16.3-294.el7_7.1.ppc64.rpm
perl-tests-5.16.3-294.el7_7.1.ppc64.rpm
ppc64le:
perl-debuginfo-5.16.3-294.el7_7.1.ppc64le.rpm
perl-tests-5.16.3-294.el7_7.1.ppc64le.rpm
s390x:
perl-debuginfo-5.16.3-294.el7_7.1.s390x.rpm
perl-tests-5.16.3-294.el7_7.1.s390x.rpm
x86_64:
perl-debuginfo-5.16.3-294.el7_7.1.x86_64.rpm
perl-tests-5.16.3-294.el7_7.1.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/
Topic
An update for perl is now available for Red Hat Enterprise Linux 7.7Extended Update Support.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.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64
Bugs Fixed
1837975 - CVE-2020-10543 perl: heap-based buffer overflow in regular expression compiler leads to DoS
1837988 - CVE-2020-10878 perl: corruption of intermediate language state of compiled regular expression due to integer overflow leads to DoS
1838000 - CVE-2020-12723 perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS
1930185 - perl FTBFS: ../cpan/Time-Local/t/Local.t test fails in year 2020 [rhel-7.7.z]