CVE-2016-7479

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.
Overview
  • CVE ID
  • CVE-2016-7479
  • Assigner
  • cve@checkpoint.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-01-12T00:59:00
  • Last Modified Date
  • 2018-05-04T01:29:01
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.0.14:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.youtube.com/watch?v=LDcaPstAuPk Technical Description
https://bugs.php.net/bug.php?id=73092 Issue Tracking Permissions Required
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf Exploit Technical Description Third Party Advisory
http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7 Third Party Advisory
http://www.securityfocus.com/bid/95151 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037659
https://security.netapp.com/advisory/ntap-20180112-0001/
https://access.redhat.com/errata/RHSA-2018:1296
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-7479
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7479
History
Created Old Value New Value Data Type Notes
2022-05-10 18:44:23 Added to TrackCVE
2022-12-02 12:46:57 2017-01-12T00:59Z 2017-01-12T00:59:00 CVE Published Date updated
2022-12-02 12:46:57 2018-05-04T01:29:01 CVE Modified Date updated
2022-12-02 12:46:57 Modified Vulnerability Status updated