CVE-2016-4070
PHP Integer Overflow Denial of Service
Description
Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not).
INFO
Published Date :
May 20, 2016, 11 a.m.
Last Modified :
April 12, 2025, 10:46 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | HIGH | [email protected] |
Solution
- Update PHP packages to a non-vulnerable version.
- Upgrade to PHP version 5.6.20 or later.
- Upgrade to PHP version 7.0.5 or later.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-4070.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-4070 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-4070
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-4070 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-4070 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://lists.apple.com/archives/security-announce/2016/May/msg00004.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html Added Reference http://rhn.redhat.com/errata/RHSA-2016-2750.html Added Reference http://www.debian.org/security/2016/dsa-3560 Added Reference http://www.openwall.com/lists/oss-security/2016/04/24/1 Added Reference http://www.php.net/ChangeLog-5.php Added Reference http://www.php.net/ChangeLog-7.php Added Reference http://www.securityfocus.com/bid/85801 Added Reference http://www.ubuntu.com/usn/USN-2952-1 Added Reference http://www.ubuntu.com/usn/USN-2952-2 Added Reference https://bugs.php.net/bug.php?id=71798 Added Reference https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=95433e8e339dbb6b5d5541473c1661db6ba2c451 Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149 Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 Added Reference https://support.apple.com/HT206567 -
CVE Modified by [email protected]
Aug. 06, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE disputed -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** DISPUTED ** Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not)." Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not). Added Reference MITRE https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=95433e8e339dbb6b5d5541473c1661db6ba2c451 [No types assigned] Removed Reference MITRE https://git.php.net/?p=php-src.git;a=commit;h=95433e8e339dbb6b5d5541473c1661db6ba2c451 -
CVE Modified by [email protected]
Jan. 05, 2018
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2016-2750.html [No Types Assigned] -
CVE Modified by [email protected]
Feb. 17, 2017
Action Type Old Value New Value Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 01, 2016
Action Type Old Value New Value Added Reference http://www.debian.org/security/2016/dsa-3560 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2952-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2952-2 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/85801 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 29, 2016
Action Type Old Value New Value Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149 -
CVE Translated by [email protected]
Sep. 07, 2016
Action Type Old Value New Value Removed Translation ** DISPUTADA ** Desbordamiento de entero en la función php_raw_url_encode en ext/styard/url.c en PHP en versiones anteriores a 5.5.34, 5.6.x en versiones anteriores a 5.6.20 y 7.x en versiones anteriores a 7.0.5 permite a atacantes remotos causar una denegación de servicio (caída de aplicación) a través de una cadena larga para la función rawurlencode. NOTA: el vendedor afirma "No seguro si esto califica como problema de seguridad (probablemente no)". Added Translation Desbordamiento de entero en la función php_raw_url_encode en ext/styard/url.c en PHP en versiones anteriores a 5.5.34, 5.6.x en versiones anteriores a 5.6.20 y 7.x en versiones anteriores a 7.0.5 permite a atacantes remotos causar una denegación de servicio (caída de aplicación) a través de una cadena larga para la función rawurlencode. NOTA: el vendedor afirma "No seguro si esto califica como problema de seguridad (probablemente no)". -
CVE Modified by [email protected]
Aug. 24, 2016
Action Type Old Value New Value Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 -
Modified Analysis by [email protected]
May. 24, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.33:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugs.php.net/bug.php?id=71798 No Types Assigned https://bugs.php.net/bug.php?id=71798 Exploit Added CWE CWE-189 -
Initial Analysis by [email protected]
May. 23, 2016
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
9.17 }} 3.93%
score
0.92354
percentile