PHP 7.2.x / 7.3.x < 7.3.22 Memory Leak Vulnerability

high Nessus Plugin ID 140532

Synopsis

The version of PHP running on the remote web server is affected by a memory leak vulnerability.

Description

According to its self-reported version number, the version of PHP running on the remote web server is 7.2.x or 7.3.x prior to 7.3.21. It is, therefore affected by a memory leak vulnerability in the LDAP component. An unauthenticated, remote attacker could exploit this issue to cause a denial-of-service condition.

Solution

Upgrade to PHP version 7.3.22 or later.

See Also

https://www.php.net/ChangeLog-7.php#7.3.22

Plugin Details

Severity: High

ID: 140532

File Name: php_7_3_22.nasl

Version: 1.4

Type: remote

Family: CGI abuses

Published: 9/11/2020

Updated: 6/4/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus

Enable CGI Scanning: true

Risk Information

CVSS Score Rationale: Dos

CVSS v2

Risk Factor: Medium

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: manual

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/a:php:php

Required KB Items: www/PHP, installed_sw/PHP

Excluded KB Items: Settings/disable_cgi_scanning

Patch Publication Date: 9/3/2020

Vulnerability Publication Date: 9/3/2020

Reference Information

IAVA: 2020-A-0420-S