Detections
Analytics
PHP 7.0.x < 7.0.19 Multiple Vulnerabilities
critical Nessus Plugin ID 100420
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Synopsis
The version of PHP running on the remote web server is affected by multiple vulnerabilities.Description
According to its banner, the version of PHP running on the remote web server is 7.0.x prior to 7.0.19. It is, therefore, affected by the following vulnerabilities :- A memory allocation issue exists in the zend_string_extend() function in file Zend/zend_string.h when concatenating strings due to a failure to prevent changes to string objects that result in a negative length. An unauthenticated, remote attacker can exploit this to cause a denial of service condition or possibly other unspecified impact. (CVE-2017-8923)
- A memory allocation issue exists in the i_zval_ptr_dtor() function in Zend/zend_variables.h when allocating large amounts of memory. An unauthenticated, remote attacker can exploit this, via crafted operations on array data structures, to cause a denial of service condition. (CVE-2017-9119)
Solution
Upgrade to PHP version 7.0.19 or later.See Also
Plugin Details
Severity: Critical
ID: 100420
File Name: php_7_0_19.nasl
Version: 1.8
Type: remote
Family: CGI abuses
Published: 5/25/2017
Updated: 11/22/2024
Configuration: Enable thorough checks
Supported Sensors: Nessus
Enable CGI Scanning: true
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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
Exploit Ease: No exploit is required
Patch Publication Date: 5/11/2017
Vulnerability Publication Date: 9/20/2016
Reference Information
CVE: CVE-2017-8923, CVE-2017-9119