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PHP 7.2.x < 7.2.18 Heap-based Buffer Overflow Vulnerability.

critical Nessus Plugin ID 124763

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Synopsis

An application installed on the remote host is affected by a heap-based buffer overflow vulnerability.

Description

According to its banner, the version of PHP running on the remote web server is 7.2.x prior to 7.2.18. It is, therefore, affected by a heap-based buffer over-read condition within _estrndup of the exif_process_IFD_TAG in the exif.c script.
An unauthenticated, remote attacker can exploit this, to cause a denial of service condition or the execution of arbitrary code.

Solution

Upgrade to PHP version 7.2.18 or later.

See Also

http://php.net/ChangeLog-7.php#7.2.18

Plugin Details

Severity: Critical

ID: 124763

File Name: php_7_2_18.nasl

Version: 1.5

Type: remote

Family: CGI abuses

Published: 5/10/2019

Updated: 5/31/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus

Enable CGI Scanning: true

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2019-11036

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:php:php

Required KB Items: www/PHP

Excluded KB Items: Settings/disable_cgi_scanning

Exploit Ease: No known exploits are available

Patch Publication Date: 5/2/2019

Vulnerability Publication Date: 4/29/2019

Reference Information

CVE: CVE-2019-11036