CVE-2016-7479

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7	Third Party Advisory
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf	Exploit Technical Description Third Party Advisory
http://www.securityfocus.com/bid/95151	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037659
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73092	Issue Tracking Permissions Required
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.youtube.com/watch?v=LDcaPstAuPk	Technical Description

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:php:php:7.0.0:::::::*
	cpe:2.3:a:php:php:7.0.1:::::::*
	cpe:2.3:a:php:php:7.0.2:::::::*
	cpe:2.3:a:php:php:7.0.3:::::::*
	cpe:2.3:a:php:php:7.0.4:::::::*
	cpe:2.3:a:php:php:7.0.5:::::::*
	cpe:2.3:a:php:php:7.0.6:::::::*
	cpe:2.3:a:php:php:7.0.7:::::::*
	cpe:2.3:a:php:php:7.0.8:::::::*
	cpe:2.3:a:php:php:7.0.9:::::::*
	cpe:2.3:a:php:php:7.0.10:::::::*
	cpe:2.3:a:php:php:7.0.11:::::::*
	cpe:2.3:a:php:php:7.0.12:::::::*
	cpe:2.3:a:php:php:7.0.14:::::::*
	cpe:2.3:a:php:php:7.1.0:::::::*

History

No history.

Information

Published : 2017-01-12 00:59

Updated : 2018-05-04 01:29

NVD link : CVE-2016-7479

Mitre link : CVE-2016-7479

CVE.ORG link : CVE-2016-7479

JSON object : View

Products Affected

php

php

CWE

CWE-416

Use After Free

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