CVE-2017-6441

** DISPUTED ** The _zval_get_long_func_ex in Zend/zend_operators.c in PHP 7.1.2 allows attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted use of "declare(ticks=" in a PHP script. NOTE: the vendor disputes the classification of this as a vulnerability, stating "Please do not request CVEs for ordinary bugs. CVEs are relevant for security issues only."

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugs.php.net/bug.php?id=74146	Issue Tracking
https://github.com/php/php-src/pull/2396	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-04-03 05:59

Updated : 2024-05-17 01:19

NVD link : CVE-2017-6441

Mitre link : CVE-2017-6441

CVE.ORG link : CVE-2017-6441

JSON object : View

Products Affected

php

php

CWE

CWE-476

NULL Pointer Dereference

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