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MitreCVE-2017-6441

HistoryApr 03, 2017 - 5:59 a.m.

CVE-2017-6441

2017-04-0305:59:00

CWE-476

mitre

web.nvd.nist.gov

cve-2017-6441

php 7.1.2

denial of service

null pointer dereference

security issue

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.4

Confidence

High

EPSS

0.001

Percentile

40.3%

JSON

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.

Affected configurations

Nvd

Node

phpphpMatch7.1.2

VendorProductVersionCPE
phpphp7.1.2cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
php	php	7.1.2	cpe:2.3:a:php:php:7.1.2:::::::*

References

bugs.php.net/bug.php?id=74146

github.com/php/php-src/pull/2396

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.4

Confidence

High

EPSS

0.001

Percentile

40.3%

JSON

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