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CVE-2016-7479

Date: January 11, 2017

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.

Language: C#

Severity Score

9.8

Related Resources (13)

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-7479

Url: https://security-tracker.debian.org/tracker/CVE-2016-7479

Url: https://security.netapp.com/advisory/ntap-20180112-0001/

Url: https://bugs.php.net/bug.php?id=73092

Url: https://www.youtube.com/watch?v=LDcaPstAuPk

Url: https://access.redhat.com/security/cve/CVE-2016-7479

Url: http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf

Url: http://www.securityfocus.com/bid/95151

Url: http://www.securitytracker.com/id/1037659

Url: https://access.redhat.com/errata/RHSA-2018:1296

Url: http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-7479

Url: https://www.mend.io/vulnerability-database/CVE-2016-7479

Severity Score

9.8

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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