[Bug 1646738] CVE-2018-18313 perl: Heap-based buffer read overflow in S_grok_bslash_N()

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https://bugzilla.redhat.com/show_bug.cgi?id=1646738

Paul Harvey <pharvey@xxxxxxxxxx> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Whiteboard|impact=low,public=20181129, |impact=low,public=20181129,
                   |reported=20181105,source=up |reported=20181105,source=up
                   |stream,cvss3=6.5/CVSS:3.0/A |stream,cvss3=6.5/CVSS:3.0/A
                   |V:N/AC:H/PR:N/UI:N/S:U/C:L/ |V:N/AC:H/PR:N/UI:N/S:U/C:L/
                   |I:N/A:H,cwe=CWE-125,rhel-6/ |I:N/A:H,cwe=CWE-125,rhel-6/
                   |perl=notaffected,openshift- |perl=notaffected,openshift-
                   |enterprise-3/perl=new,fedor |enterprise-3/perl=notaffect
                   |a-all/perl=affected,rhel-5/ |ed,fedora-all/perl=affected
                   |perl=notaffected,rhel-7/per |,rhel-5/perl=notaffected,rh
                   |l=notaffected,openshift-onl |el-7/perl=notaffected,opens
                   |ine-3/perl=new,rhel-8/perl= |hift-online-3/perl=notaffec
                   |affected,rhscl-3/rh-perl526 |ted,rhel-8/perl=affected,rh
                   |-perl=affected,rhscl-3/rh-p |scl-3/rh-perl526-perl=affec
                   |erl524-perl=affected,rhel-8 |ted,rhscl-3/rh-perl524-perl
                   |/perl:5.24/perl=affected    |=affected,rhel-8/perl:5.24/
                   |                            |perl=affected



--- Comment #11 from Paul Harvey <pharvey@xxxxxxxxxx> ---
openshift-enterprise-3: notaffected. I reviewed OpenShift containers for
applications with dependencies on perl and was unable to identify any where the
perl interpreter would be exposed to attacker-controlled regular expressions
which could expose this flaw. There is a perl dependency in our MariaDB
packaging, however the only non-test related perl usage is in a backup script
(mysqlhotcopy) which is not exposed to attacker-controlled regular expressions.
I have not filed trackers as these images will inherit the existing perl fixes
next time they are respun. See also https://access.redhat.com/articles/2803031

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