Synopsis
Important: rh-perl526-perl security and enhancement update
Type/Severity
Security Advisory: Important
Topic
An update for rh-perl526-perl and rh-perl526-perl-Module-CoreList is now available for Red Hat Software Collections.
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.
Description
Perl is a high-level programming language that is commonly used for system administration utilities and web programming.
The following packages have been upgraded to a later upstream version: rh-perl526-perl (5.26.3), rh-perl526-perl-Module-CoreList (5.20181130). (BZ#1658969)
Security Fix(es):
- perl: Integer overflow leading to buffer overflow in Perl_my_setenv() (CVE-2018-18311)
- perl: Heap-based buffer overflow in S_handle_regex_sets() (CVE-2018-18312)
- perl: Heap-based buffer overflow in S_regatom() (CVE-2018-18314)
- perl: Heap-based buffer read overflow in S_grok_bslash_N() (CVE-2018-18313)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank the Perl project for reporting these issues. Upstream acknowledges Jayakrishna Menon as the original reporter of CVE-2018-18311; Eiichi Tsukata as the original reporter of CVE-2018-18312 and CVE-2018-18313; and Jakub Wilk as the original reporter of CVE-2018-18314.
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
Affected Products
-
Red Hat Software Collections (for RHEL Server) 1 for RHEL 7.6 x86_64
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Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.6 s390x
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Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.6 ppc64le
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Red Hat Software Collections (for RHEL Server) 1 for RHEL 7.5 x86_64
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Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.5 s390x
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Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.5 ppc64le
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Red Hat Software Collections (for RHEL Server) 1 for RHEL 7.4 x86_64
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Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.4 s390x
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Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.4 ppc64le
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Red Hat Software Collections (for RHEL Server) 1 for RHEL 7 x86_64
-
Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7 s390x
-
Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7 ppc64le
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Red Hat Software Collections (for RHEL Server for ARM) 1 aarch64
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Red Hat Software Collections (for RHEL Workstation) 1 for RHEL 7 x86_64
Fixes
- BZ - 1646730 - CVE-2018-18311 perl: Integer overflow leading to buffer overflow in Perl_my_setenv()
- BZ - 1646734 - CVE-2018-18312 perl: Heap-based buffer overflow in S_handle_regex_sets()
- BZ - 1646738 - CVE-2018-18313 perl: Heap-based buffer read overflow in S_grok_bslash_N()
- BZ - 1646751 - CVE-2018-18314 perl: Heap-based buffer overflow in S_regatom()
- BZ - 1658969 - Rebase to latest 5.26 security fix release [3.2.z]
CVEs
References
Vulmon