Buffer Overflow Affecting perl package, versions <5.26.3-r1
Snyk CVSS
Attack Complexity
Low
Availability
High
Threat Intelligence
EPSS
0.25% (65th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-ALPINE39-PERL-587972
- published 21 Jul 2020
- disclosed 5 Jun 2020
Introduced: 5 Jun 2020
CVE-2020-12723 Open this link in a new tabHow to fix?
Upgrade Alpine:3.9
perl
to version 5.26.3-r1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perl
package and not the perl
package as distributed by Alpine
.
See How to fix?
for Alpine:3.9
relevant fixed versions and status.
regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.
References
- https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod
- https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a
- https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3
- https://security.netapp.com/advisory/ntap-20200611-0001/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/
- https://security.gentoo.org/glsa/202006-03
- https://github.com/Perl/perl5/issues/16947
- https://github.com/Perl/perl5/issues/17743
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/