Apple macOS up to 10.12.2 apache_mod_php 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 has been found in Apple macOS up to 10.12.2 and classified as critical. This vulnerability affects unknown code of the component apache_mod_php. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2016-9934. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.12.2 (Operating System) and classified as critical. This issue affects an unknown part of the component apache_mod_php. 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:

ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string.

The bug was discovered 12/12/2016. The weakness was published 01/23/2017 as HT207483 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2016-9934 since 12/12/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The advisory points out:

Multiple issues were addressed by updating to PHP version 5.6.28.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 96381 (openSUSE Security Update : php5 (openSUSE-2017-62)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175905 (Debian Security Update for php5 (DSA 3732-1)).

Upgrading to version 10.12.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96381) and SecurityFocus (BID 94845†). Similar entries are available at VDB-3695, VDB-5786, VDB-5794 and VDB-9021. 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: 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: 🔍
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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: 96381
Nessus Name: openSUSE Security Update : php5 (openSUSE-2017-62)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703732
OpenVAS Name: Debian Security Advisory DSA 3732-1 (php5 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 10.12.3
Patch: github.com

Timelineinfo

12/12/2016 🔍
12/12/2016 +0 days 🔍
12/12/2016 +0 days 🔍
01/04/2017 +23 days 🔍
01/10/2017 +6 days 🔍
01/23/2017 +13 days 🔍
01/23/2017 +0 days 🔍
01/25/2017 +2 days 🔍
11/03/2022 +2108 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207483
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9934 (🔍)
GCVE (CVE): GCVE-0-2016-9934
GCVE (VulDB): GCVE-100-95945

OVAL: 🔍

SecurityFocus: 94845 - PHP 'ext/wddx/wddx.c' NULL pointer Dereference Remote Denial of Service Vulnerability
OSVDB: - CVE-2016-9934 - PHP - Denial of Service Issue

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 01/25/2017 11:42
Updated: 11/03/2022 16:20
Changes: 01/25/2017 11:42 (82), 07/31/2020 12:05 (6), 11/03/2022 16:20 (3)
Complete: 🔍
Cache ID: 216:DA9:103

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

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