Apple macOS up to 10.11 apache_mod_php integer overflow

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

A vulnerability classified as critical has been found in Apple macOS up to 10.11 (Operating System). This affects an unknown function of the component apache_mod_php. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 09/20/2016 as HT207170 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2016-5770 since 06/23/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. 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 91839 (FreeBSD : php -- multiple vulnerabilities (66d77c58-3b1d-11e6-8e82-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175784 (Debian Security Update for php5 (DSA 3618-1)).

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 vulnerability database at Tenable (91839). See 90632, 90633, 90634 and 90635 for similar entries.

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CPE 2.2info

CVSSv4info

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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: 🔍
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NVD Base Score: 9.8
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Nessus ID: 91839
Nessus Name: FreeBSD : php -- multiple vulnerabilities (66d77c58-3b1d-11e6-8e82-002590263bf5)
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

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Countermeasuresinfo

Recommended: Upgrade
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Upgrade: macOS 10.12
Patch: github.com

Timelineinfo

06/23/2016 🔍
06/23/2016 +0 days 🔍
06/27/2016 +4 days 🔍
08/07/2016 +41 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
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-5770 (🔍)
OVAL: 🔍

SecurityFocus: 91403 - PHP 'ext/spl/spl_directory.c' Type Confusion Remote Denial Of Service Vulnerability

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

Entryinfo

Created: 09/26/2016 11:31
Updated: 09/20/2022 15:45
Changes: 09/26/2016 11:31 (71), 04/26/2019 18:17 (12), 09/20/2022 15:45 (5)
Complete: 🔍

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