PHP 7.1.5 Zend/zend_variables.h i_zval_ptr_dtor Memory resource consumption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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8.4 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in PHP 7.1.5 (Programming Language Software). Affected is the function i_zval_ptr_dtor
of the file Zend/zend_variables.h. The manipulation with an unknown input leads to a resource consumption vulnerability (Memory). CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
The i_zval_ptr_dtor function in Zend/zend_variables.h in PHP 7.1.5 allows attackers to cause a denial of service (memory consumption and application crash) or possibly have unspecified other impact by triggering crafted operations on array data structures.
The bug was discovered 05/15/2017. The weakness was presented 05/21/2017 (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2017-9119 since 05/21/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
The vulnerability scanner Nessus provides a plugin with the ID 100420 (PHP 7.0.x < 7.0.19 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (100420). See 95169, 95170, 95195 and 101216 for similar entries.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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Exploiting
Name: MemoryClass: Resource consumption / Memory
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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Nessus ID: 100420
Nessus Name: PHP 7.0.x < 7.0.19 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
05/11/2017 🔍05/15/2017 🔍
05/21/2017 🔍
05/21/2017 🔍
05/21/2017 🔍
05/21/2017 🔍
05/22/2017 🔍
05/25/2017 🔍
12/06/2022 🔍
Sources
Product: php.orgAdvisory: 74593⛔
Researcher: whitehat002
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-9119 (🔍)
SecurityFocus: 98596 - PHP 'Zend/zend_variables.h' Denial of Service Vulnerability
OSVDB: - CVE-2017-9119 - PHP - Denial of Service Issue
See also: 🔍
Entry
Created: 05/22/2017 08:46Updated: 12/06/2022 20:19
Changes: 05/22/2017 08:46 (68), 09/30/2020 20:33 (7), 12/25/2020 09:26 (3), 12/06/2022 20:19 (3)
Complete: 🔍
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