CVE-2023-47038
Perl: write past buffer end via illegal user-defined unicode property
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
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.
It was discovered that Perl incorrectly handled printing certain warning messages. An attacker could possibly use this issue to cause Perl to consume resources, leading to a denial of service. This issue only affected Ubuntu 22.04 LTS. Nathan Mills discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code.
CVSS Scores
SSVC
- Decision:Track*
Timeline
- 2023-10-30 CVE Reserved
- 2023-11-27 CVE Published
- 2024-11-27 CVE Updated
- 2025-03-30 EPSS 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 | 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
|