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CVE-2023-0568

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CVE-2023-0568

Published: Feb 16, 2023

Modified: Mar 18, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

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.

VendorProductVersions

PHP Group

PHP

affected
8.0.x - < 8.0.28
affected
8.1.x - < 8.1.16
affected
8.2.x - < 8.2.3

Weaknesses (CWE)

CWE-131

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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