PHP up to 5.6.24/7.0.9 Base64 Binary ext/wddx/wddx.c php_wddx_pop_element null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in PHP up to 5.6.24/7.0.9. Affected by this issue is the function php_wddx_pop_element of the file ext/wddx/wddx.c of the component Base64 Binary Handler. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2016-7130. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 5.6.24/7.0.9 (Programming Language Software) and classified as critical. This issue affects the function php_wddx_pop_element of the file ext/wddx/wddx.c of the component Base64 Binary Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

The php_wddx_pop_element function in ext/wddx/wddx.c in PHP before 5.6.25 and 7.x before 7.0.10 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly have unspecified other impact via an invalid base64 binary value, as demonstrated by a wddx_deserialize call that mishandles a binary element in a wddxPacket XML document.

The weakness was shared 09/12/2016 (Website). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2016-7130. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 900012 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169168 (SUSE Enterprise Linux Security Update for php53 (SUSE-SU-2016:2328-1)).

Upgrading to version 5.6.25 or 7.0.10 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (900012) and SecurityFocus (BID 92764†). The entries VDB-3695, VDB-5786, VDB-5794 and VDB-9021 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 900012
Nessus File: 🔍

OpenVAS ID: 54857
OpenVAS Name: Ubuntu Update for php7.0 USN-3095-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: PHP 5.6.25/7.0.10
Patch: github.com

Timelineinfo

09/02/2016 🔍
09/02/2016 +0 days 🔍
09/11/2016 +9 days 🔍
09/12/2016 +1 days 🔍
09/12/2016 +0 days 🔍
09/15/2022 +2194 days 🔍

Sourcesinfo

Product: php.org

Advisory: 72750
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7130 (🔍)
GCVE (CVE): GCVE-0-2016-7130
GCVE (VulDB): GCVE-100-91499

OVAL: 🔍

SecurityFocus: 92764 - PHP 'ext/wddx/wddx.c' Denial of Service Vulnerability
SecurityTracker: 1036680

See also: 🔍

Entryinfo

Created: 09/12/2016 17:53
Updated: 09/15/2022 19:35
Changes: 09/12/2016 17:53 (62), 04/15/2019 16:27 (11), 09/15/2022 19:28 (6), 09/15/2022 19:35 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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