CVE-2023-0568

Public on 2023-02-16
Modified on 2024-04-29
Description
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification.
Severity
Important severity
Important
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
HAQM Linux 2 - Core php 2025-04-09 ALAS2-2025-2832 Fixed
HAQM Linux 2 - Php8.0 Extra php 2023-08-21 ALAS2PHP8.0-2023-002 Fixed
HAQM Linux 2 - Php8.1 Extra php 2023-08-21 ALAS2PHP8.1-2023-002 Fixed
HAQM Linux 2 - Php8.2 Extra php 2023-08-04 ALAS2PHP8.2-2023-001 Fixed
HAQM Linux 1 php56 Pending Fix
HAQM Linux 2023 php8.1 2023-03-20 ALAS2023-2023-139 Fixed

CVSS Scores

Score Type Score Vector
HAQM Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv3 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H