Apple macOS up to 10.11 apache_mod_php double free

CVSS Meta Temp Score
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.11. It has been classified as critical. This issue affects some unknown processing of the component apache_mod_php. This manipulation causes double free. This vulnerability is handled as CVE-2016-5768. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.11 (Operating System). It has been declared as very critical. Affected by this vulnerability is an unknown code block of the component apache_mod_php. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 09/20/2016 with php.net as HT207170 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2016-5768 since 06/23/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/20/2022). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple issues in PHP were addressed by updating PHP to version 5.6.24.

The vulnerability scanner Nessus provides a plugin with the ID 92699 (Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : php5, php7.0 vulnerabilities (USN-3045-1) (httpoxy)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168963 (OpenSuSE Security Update for php5 (openSUSE-SU-2016:1761-1)).

Upgrading to version 10.12 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 (92699) and SecurityFocus (BID 91396†). Entries connected to this vulnerability are available at VDB-90633, VDB-90634, VDB-92040 and VDB-92048. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
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: 92699
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : php5, php7.0 vulnerabilities (USN-3045-1) (httpoxy)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 702853
OpenVAS Name: Fedora Update for php FEDORA-2016-99fbdc5c34
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.12
Patch: github.com

Timelineinfo

06/23/2016 🔍
06/23/2016 +0 days 🔍
08/03/2016 +41 days 🔍
08/07/2016 +4 days 🔍
09/20/2016 +44 days 🔍
09/20/2016 +0 days 🔍
09/26/2016 +6 days 🔍
09/20/2022 +2185 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207170
Organization: php.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-5768 (🔍)
GCVE (CVE): GCVE-0-2016-5768
GCVE (VulDB): GCVE-100-92041

OVAL: 🔍

SecurityFocus: 91396 - PHP CVE-2016-5768 Double Free Memory Corruption Vulnerability

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

Entryinfo

Created: 09/26/2016 11:31
Updated: 09/20/2022 15:34
Changes: 09/26/2016 11:31 (71), 04/25/2019 16:39 (13), 09/20/2022 15:34 (4)
Complete: 🔍
Cache ID: 216:E5A:103

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

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