CVE-2016-7411

critical

Description

ext/standard/var_unserializer.re in PHP before 5.6.26 mishandles object-deserialization failures, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an unserialize call that references a partially constructed object.

References

http://www.openwall.com/lists/oss-security/2016/09/15/10

http://www.php.net/ChangeLog-5.php

http://www.securityfocus.com/bid/93009

http://www.securitytracker.com/id/1036836

https://bugs.php.net/bug.php?id=73052

https://github.com/php/php-src/commit/6a7cc8ff85827fa9ac715b3a83c2d9147f33cd43?w=1

https://security.gentoo.org/glsa/201611-22

Details

Source: MITRE

Published: 2016-09-17

Updated: 2017-07-30

Type: CWE-119

Risk Information

CVSS v2

Base Score: 7.5

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

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL