National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-7124 Detail

Description

ext/standard/var_unserializer.c in PHP before 5.6.25 and 7.x before 7.0.10 mishandles certain invalid objects, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that leads to a (1) __destruct call or (2) magic method call.

Source:  MITRE
Description Last Modified:  09/11/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 3.9


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 v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://openwall.com/lists/oss-security/2016/09/02/9 Mailing List
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.php.net/ChangeLog-5.php Release Notes
http://www.php.net/ChangeLog-7.php Release Notes
http://www.securityfocus.com/bid/92756
http://www.securitytracker.com/id/1036680
https://bugs.php.net/bug.php?id=72663 Exploit Issue Tracking
https://github.com/php/php-src/commit/20ce2fe8e3c211a42fee05a461a5881be9a8790e?w=1 Issue Tracking Patch
https://security.gentoo.org/glsa/201611-22
https://www.tenable.com/security/tns-2016-19

Technical Details

Vulnerability Type (View All)

  • Deserialization of Untrusted Data (CWE-502)

Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7124
NVD Published Date:
09/11/2016
NVD Last Modified:
01/04/2018