CVE-2016-5095

CVSS V2 High 7.5 CVSS V3 High 8.6
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.
Overview
  • CVE ID
  • CVE-2016-5095
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2016-08-07T10:59:08
  • Last Modified Date
  • 2016-11-28T20:22:35
Weakness Enumerations
CWE URL
CWE-190 http://cwe.mitre.org/data/definitions/190.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* 1 OR 5.5.35
cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:php:php:5.6.21:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • HIGH
  • Base Score
  • 8.6
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4.7
References
Reference URL Reference Tags
https://bugs.php.net/bug.php?id=72135
http://php.net/ChangeLog-5.php Release Notes
http://www.openwall.com/lists/oss-security/2016/05/26/3 Release Notes
https://gist.github.com/8ef775c117d84ff15185953990a28576
http://www.debian.org/security/2016/dsa-3602
http://www.securityfocus.com/bid/92144
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-5095
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5095
History
Created Old Value New Value Data Type Notes
2022-05-10 10:04:34 Added to TrackCVE
2022-12-02 10:48:27 2016-08-07T10:59Z 2016-08-07T10:59:08 CVE Published Date updated
2022-12-02 10:48:27 2016-11-28T20:22:35 CVE Modified Date updated
2022-12-02 10:48:27 Modified Vulnerability Status updated