Apple Mac OS X up to 10.11.0 Kernel type confusion

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple Mac OS X up to 10.11.0. Impacted is an unknown function of the component Kernel. Executing a manipulation can lead to type confusion. This vulnerability is registered as CVE-2015-5932. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Mac OS X up to 10.11.0 (Operating System). It has been declared as problematic. This vulnerability affects an unknown function of the component Kernel. The manipulation with an unknown input leads to a type confusion vulnerability. The CWE definition for the vulnerability is CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The kernel in Apple OS X before 10.11.1 allows local users to gain privileges by leveraging an unspecified "type confusion" during Mach task processing.

The weakness was published 10/21/2015 by Filippo Bigarella as HT205375 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2015-5932 since 08/06/2015. The attack needs to be approached locally. The successful exploitation requires a single authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

A type confusion issue existed in the validation of Mach tasks. This issue was addressed through improved Mach task validation.

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 77266†) and Vulnerability Center (SBV-53876†). Similar entries are available at VDB-77709, VDB-78724, VDB-78725 and VDB-78727. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Type confusion
CWE: CWE-843
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.11.1

Timelineinfo

08/06/2015 🔍
10/21/2015 +76 days 🔍
10/21/2015 +0 days 🔍
10/21/2015 +0 days 🔍
10/22/2015 +1 days 🔍
10/22/2015 +0 days 🔍
10/23/2015 +1 days 🔍
11/20/2024 +3316 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205375
Researcher: Filippo Bigarella
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5932 (🔍)
GCVE (CVE): GCVE-0-2015-5932
GCVE (VulDB): GCVE-100-78820
SecurityFocus: 77266
Vulnerability Center: 53876 - Apple MacOS X 10.10 - 10.10.5 Local Code Execution in Kernel - CVE-2015-5932, High

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

Entryinfo

Created: 10/22/2015 11:25
Updated: 11/20/2024 23:39
Changes: 10/22/2015 11:25 (60), 02/17/2018 09:32 (13), 06/24/2022 15:59 (3), 11/20/2024 23:39 (16)
Complete: 🔍
Cache ID: 216::103

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