PHP 7.0.0 ext/standard/string.c numeric error

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in PHP 7.0.0. This vulnerability affects unknown code of the file ext/standard/string.c. This manipulation causes numeric error. This vulnerability is registered as CVE-2016-4346. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP 7.0.0 (Programming Language Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the file ext/standard/string.c. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the str_pad function in ext/standard/string.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.

The weakness was published 04/28/2016 as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. This vulnerability is known as CVE-2016-4346 since 04/28/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 90009 (PHP 7.0.x < 7.0.4 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168866 (OpenSuSE Security Update for php5 (openSUSE-SU-2016:1357-1)).

Upgrading to version 7.0.3 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (112806) and Tenable (90009). Similar entries are available at VDB-80326, VDB-80327, VDB-81387 and VDB-83181. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90009
Nessus Name: PHP 7.0.x < 7.0.4 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63578
OpenVAS Name: PHP Multiple Vulnerabilities - 02 - Jul16 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 7.0.3

Timelineinfo

03/03/2016 🔍
03/17/2016 +14 days 🔍
04/28/2016 +42 days 🔍
04/28/2016 +0 days 🔍
05/03/2016 +5 days 🔍
05/21/2016 +18 days 🔍
07/27/2022 +2258 days 🔍

Sourcesinfo

Product: php.org

Advisory: 71637
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4346 (🔍)
GCVE (CVE): GCVE-0-2016-4346
GCVE (VulDB): GCVE-100-83185
X-Force: 112806 - PHP ext/standard/string.c buffer overflow

See also: 🔍

Entryinfo

Created: 05/03/2016 12:51
Updated: 07/27/2022 23:42
Changes: 05/03/2016 12:51 (75), 11/08/2018 10:58 (2), 07/27/2022 23:42 (4)
Complete: 🔍
Cache ID: 216:3AA:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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