CVE-2023-47038

Perl: write past buffer end via illegal user-defined unicode property

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.

Se encontró una vulnerabilidad en Perl. Este problema ocurre cuando Perl compila una expresión regular manipulada, lo que puede permitir que un atacante controle el desbordamiento de búfer de bytes en un búfer asignado en el almacenamiento dinámico.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-10-30 CVE Reserved
2023-11-27 CVE Published
2023-12-30 EPSS Updated
2024-11-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write

CAPEC

References (7)

URL	Tag	Source
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ
https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property

URL	Date	SRC

URL	Date	SRC
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746	2024-05-30

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2024:2228	2024-05-30
https://access.redhat.com/errata/RHSA-2024:3128	2024-05-30
https://access.redhat.com/security/cve/CVE-2023-47038	2024-05-22
https://bugzilla.redhat.com/show_bug.cgi?id=2249523	2024-05-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Perl Search vendor "Perl"	Perl Search vendor "Perl" for product "Perl"	5.34.0 Search vendor "Perl" for product "Perl" and version "5.34.0"	-	Affected	in	Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"	-	Safe
Perl Search vendor "Perl"	Perl Search vendor "Perl" for product "Perl"	5.34.0 Search vendor "Perl" for product "Perl" and version "5.34.0"	-	Affected	in	Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"	-	Safe