Heap-based Buffer Overflow Affecting rh-perl524-perl-libs package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-RHPERL524PERLLIBS-4515625
- published1 Nov 2021
- disclosed12 Sept 2017
Introduced: 12 Sep 2017
CVE-2017-12837 (opens in a new tab)How to fix?
There is no fixed version for RHEL:7 rh-perl524-perl-libs.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rh-perl524-perl-libs package and not the rh-perl524-perl-libs package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a '\N{}' escape and the case-insensitive modifier.
References
- http://www.securityfocus.com/bid/100860
- https://bugzilla.redhat.com/show_bug.cgi?id=1492091
- https://perl5.git.perl.org/perl.git/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
- https://rt.perl.org/Public/Bug/Display.html?id=131582
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://access.redhat.com/security/cve/CVE-2017-12837
- http://www.debian.org/security/2017/dsa-3982
- https://www.oracle.com/security-alerts/cpujul2020.html