CVE-2017-6441

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
** 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."
Overview
  • CVE ID
  • CVE-2017-6441
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-04-03T05:59:00
  • Last Modified Date
  • 2017-04-10T16:12:32
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/php/php-src/pull/2396 Patch
https://bugs.php.net/bug.php?id=74146 Issue Tracking
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-6441
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6441
History
Created Old Value New Value Data Type Notes
2022-05-10 09:45:10 Added to TrackCVE
2022-12-02 15:27:56 2017-04-03T05:59Z 2017-04-03T05:59:00 CVE Published Date updated
2022-12-02 15:27:56 2017-04-10T16:12:32 CVE Modified Date updated
2022-12-02 15:27:56 Analyzed Vulnerability Status updated