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CVE-2020-12723

Date: June 5, 2020

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

Language: DEBIAN

Severity Score

7.5

Related Resources (23)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12723

Url: https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a

Url: https://www.oracle.com/security-alerts/cpuApr2021.html

Url: https://security-tracker.debian.org/tracker/CVE-2020-12723

Url: https://www.oracle.com/security-alerts/cpuoct2020.html

Url: https://security.netapp.com/advisory/ntap-20200611-0001/

Url: https://github.com/Perl/perl5/issues/16947

Url: http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html

Url: https://www.oracle.com/security-alerts/cpujan2021.html

Url: https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod

Url: https://www.oracle.com/security-alerts/cpujan2022.html

Url: https://access.redhat.com/security/cve/CVE-2020-12723

Url: https://security.gentoo.org/glsa/202006-03

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-12723

Url: https://github.com/Perl/perl5/issues/17743

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/

Url: https://security.alpinelinux.org/vuln/CVE-2020-12723

Url: https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3

Url: https://www.oracle.com//security-alerts/cpujul2021.html

Url: https://www.oracle.com/security-alerts/cpuapr2022.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/

Url: https://www.oracle.com/security-alerts/cpuoct2021.html

Url: https://www.mend.io/vulnerability-database/CVE-2020-12723

Severity Score

7.5

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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