CVE-2023-0568 Vulnerability Details

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CVE-2023-0568 Metadata Quick Info

CVE Published: 16/02/2023 | CVE Updated: 02/08/2024 | CVE Year: 2023
Source: php | Vendor: PHP Group | Product: PHP
Status : PUBLISHED

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CVE-2023-0568 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. 

Metrics

CVSS Version: 3.1 | Base Score: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* HIGH
    Privileges Required (PR)* NONE
    User Interaction (UI)* REQUIRED
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* HIGH
    Integrity Impact (I)* HIGH
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID: CWE-131
CWE Name: CWE-131 Incorrect Calculation of Buffer Size
Source: PHP Group

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID: CAPEC-100
CAPEC Description: CAPEC-100 Overflow Buffers


Source: NVD (National Vulnerability Database).