CVE-2020-12723 Information

Description

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html 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://github.com/Perl/perl5/issues/16947 https://github.com/Perl/perl5/issues/17743 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/ https://security.gentoo.org/glsa/202006-03 https://security.netapp.com/advisory/ntap-20200611-0001/ https://www.oracle.com/security-alerts/cpuoct2020.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5