Apple Mac OS X up to 10.11.1 System Integrity Protection 7pk security

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

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Apple Mac OS X up to 10.11.1. The affected element is an unknown function of the component System Integrity Protection. This manipulation causes 7pk security. This vulnerability is handled as CVE-2015-7044. There is not any exploit available. It is advisable to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability has been found in Apple Mac OS X up to 10.11.1 (Operating System) and classified as very critical. Affected by this vulnerability is an unknown functionality of the component System Integrity Protection. The manipulation with an unknown input leads to a 7pk security vulnerability. The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The System Integrity Protection feature in Apple OS X before 10.11.2 mishandles union mounts, which allows attackers to execute arbitrary code in a privileged context via a crafted app with root privileges.

The weakness was released 12/08/2015 by Jeonghoon Shin (beist) with Google Project Zero as HT205637 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2015-7044 since 09/16/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/16/2024). The attack technique deployed by this issue is T1211 according to MITRE ATT&CK. The advisory points out:

A privilege issue existed in handling union mounts. This issue was addressed by improved authorization checks.

We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 87314 (Mac OS X 10.11.x < 10.11.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124389 (Apple Mac OS X v10.11.2 and Security Update 2015-008 Not Installed (APPLE-SA-2015-12-08-3)).

Upgrading to version 10.11.2 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 (87314), SecurityFocus (BID 78721†) and Vulnerability Center (SBV-55084†). Entries connected to this vulnerability are available at VDB-79541, VDB-79545, VDB-79546 and VDB-79547. 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: 8.1
VulDB Meta Temp Score: 7.3

VulDB Base Score: 8.1
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87314
Nessus Name: Mac OS X 10.11.x < 10.11.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 December-15
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.11.2

Timelineinfo

09/16/2015 🔍
12/07/2015 +83 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/09/2015 +1 days 🔍
12/09/2015 +0 days 🔍
12/09/2015 +0 days 🔍
12/11/2015 +1 days 🔍
11/16/2024 +3263 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205637
Researcher: Jeonghoon Shin (beist)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7044 (🔍)
GCVE (CVE): GCVE-0-2015-7044
GCVE (VulDB): GCVE-100-79591
SecurityFocus: 78721 - Apple Mac OS X APPLE-SA-2015-12-08-3 Multiple Security Vulnerabilities
SecurityTracker: 1034344
Vulnerability Center: 55084 - Apple MacOS X <10.11.2 Remote Code Execution due to an Issue in Handling Union Mounts, High

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 12/09/2015 02:05 PM
Updated: 11/16/2024 04:28 AM
Changes: 12/09/2015 02:05 PM (69), 09/13/2018 09:41 AM (11), 06/29/2022 06:38 PM (3), 06/29/2022 06:46 PM (1), 11/16/2024 04:28 AM (22)
Complete: 🔍
Cache ID: 244:BE1:40

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