Apple Mac OS X up to 10.11.0 EFI code

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple Mac OS X up to 10.11.0 and classified as critical. This affects an unknown part of the component EFI. Performing a manipulation results in Remote Code Execution. This vulnerability is known as CVE-2015-7035. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Apple Mac OS X up to 10.11.0 (Operating System). This affects an unknown part of the component EFI. The manipulation with an unknown input leads to a code vulnerability. CWE is classifying the issue as CWE-17. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Apple Mac EFI before 2015-002, as used in OS X before 10.11.1 and other products, mishandles arguments, which allows attackers to reach "unused" functions via unspecified vectors.

The weakness was published 10/21/2015 by Corey Kallenberg, Xeno Kovah, John Butterworth and Sam Cornwell with MITRE Corporation as HT205375 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2015-7035 since 09/16/2015. 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:

An issue existed with EFI argument handling. This was addressed by removing the affected functions.

The vulnerability scanner Nessus provides a plugin with the ID 86654 (Mac OS X < 10.11.1 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124182 (Apple Mac OS X Security Update 2015-007 Not Installed (APPLE-SA-2015-10-21-4)).

Upgrading to version 10.11.1 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 (86654), SecurityFocus (BID 74971†) and Vulnerability Center (SBV-53917†). Similar entries are available at VDB-77709, VDB-78724, VDB-78725 and VDB-78727. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Code
CWE: CWE-17
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: 86654
Nessus Name: Mac OS X < 10.11.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 October-15
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: Mac OS X 10.11.1

Timelineinfo

05/29/2015 🔍
05/29/2015 +0 days 🔍
09/16/2015 +110 days 🔍
10/21/2015 +35 days 🔍
10/21/2015 +0 days 🔍
10/22/2015 +1 days 🔍
10/22/2015 +0 days 🔍
10/23/2015 +1 days 🔍
11/19/2024 +3315 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205375
Researcher: Corey Kallenberg, Xeno Kovah, John Butterworth, Sam Cornwell
Organization: MITRE Corporation
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7035 (🔍)
GCVE (CVE): GCVE-0-2015-7035
GCVE (VulDB): GCVE-100-78795
SecurityFocus: 74971 - Apple Mac OS X EFI Firmware Security Vulnerability
SecurityTracker: 1033921
Vulnerability Center: 53917 - Apple MacOS X Remote Code Execution due to an Issue in EFI Argument Handling, Medium

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

Entryinfo

Created: 10/22/2015 11:32
Updated: 11/19/2024 06:51
Changes: 10/22/2015 11:32 (69), 02/19/2018 09:22 (8), 06/24/2022 12:36 (3), 06/24/2022 12:44 (1), 11/19/2024 06:51 (16)
Complete: 🔍
Cache ID: 216::103

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