CVE-2016-5095 Information

Description

Integer overflow in the php_escape_html_entities_ex function in ext/standard/html.c in PHP before 5.5.36 and 5.6.x before 5.6.22 allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a large output string from a FILTER_SANITIZE_FULL_SPECIAL_CHARS filter_var call. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-5094.

CVSS Vector

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

Reference

http://php.net/ChangeLog-5.php http://www.debian.org/security/2016/dsa-3602 http://www.openwall.com/lists/oss-security/2016/05/26/3 http://www.securityfocus.com/bid/92144 https://bugs.php.net/bug.php?id=72135 https://gist.github.com/8ef775c117d84ff15185953990a28576

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

HIGH

Base Severity

8.6