CVE-2016-9936 Information

Description

The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted serialized data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6834.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html http://www.openwall.com/lists/oss-security/2016/12/12/2 http://www.php.net/ChangeLog-7.php http://www.securityfocus.com/bid/94849 https://access.redhat.com/errata/RHSA-2018:1296 https://bugs.php.net/bug.php?id=72978 https://github.com/php/php-src/commit/b2af4e8868726a040234de113436c6e4f6372d17

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8