PHP 7.0.x < 7.0.17 / 7.1.x < 7.1.3 DoS

low Nessus Network Monitor Plugin ID 700087

Synopsis

The remote web server uses a version of PHP that is affected by a Denial of Service (Dos) attack vector.

Description

Versions of PHP 7.0.x prior to 7.0.17 and 7.1.x prior to 7.1.3 are affected by an error related to handling HTTP POST requests when configured with a large 'post_max_size' that allows DoS attacks via CPU resource exhaustion.

Solution

Upgrade to PHP version 7.1.3. If 7.1.x cannot be obtained, 7.0.17 has also been patched for this vulnerability.

See Also

http://php.net/ChangeLog-7.php#7.0.17

http://php.net/ChangeLog-7.php#7.1.3

https://bugs.php.net/bug.php?id=73807

Plugin Details

Severity: Low

ID: 700087

Family: Web Servers

Published: 5/5/2017

Updated: 3/6/2019

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.7

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

CVSS v3

Risk Factor: Low

Base Score: 3.7

Temporal Score: 3.6

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

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

Vulnerability Information

CPE: cpe:/a:php:php

Patch Publication Date: 3/16/2017

Vulnerability Publication Date: 2/10/2017