Apple Mac OS X up to 10.10.4 Kernel Memory information disclosure

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

Summaryinfo

A vulnerability identified as problematic has been detected in Apple Mac OS X up to 10.10.4. The impacted element is an unknown function of the component Kernel. Performing a manipulation results in information disclosure (Memory). This vulnerability is known as CVE-2015-3766. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple Mac OS X up to 10.10.4 (Operating System). This affects some unknown functionality of the component Kernel. The manipulation with an unknown input leads to a information disclosure vulnerability (Memory). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

The kernel in Apple iOS before 8.4.1 and OS X before 10.10.5 does not properly restrict the mach_port_space_info interface, which allows attackers to obtain sensitive memory-layout information via a crafted app.

The weakness was published 08/11/2015 as HT205031 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2015-3766 since 05/07/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 85408 (Mac OS X 10.10.x < 10.10.5 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 123806 (Apple Mac OS X v10.10.5 and Security Update 2015-006 Not Installed (APPLE-SA-2015-08-13-2)).

Upgrading to version 10.10.5 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 (85408), SecurityFocus (BID 76343†), SecurityTracker (ID 1033276†) and Vulnerability Center (SBV-56791†). Similar entries are available at VDB-11563, VDB-69011, VDB-77102 and VDB-77103. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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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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NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Information disclosure / Memory
CWE: CWE-200 / CWE-284 / CWE-266
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: 85408
Nessus Name: Mac OS X 10.10.x < 10.10.5 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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 10.10.5

Timelineinfo

05/07/2015 🔍
08/11/2015 +96 days 🔍
08/11/2015 +0 days 🔍
08/14/2015 +3 days 🔍
08/14/2015 +0 days 🔍
08/16/2015 +2 days 🔍
08/17/2015 +0 days 🔍
02/24/2016 +192 days 🔍
02/28/2016 +4 days 🔍
02/02/2025 +3261 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205031
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3766 (🔍)
GCVE (CVE): GCVE-0-2015-3766
GCVE (VulDB): GCVE-100-77205
SecurityFocus: 76343
SecurityTracker: 1033276
Vulnerability Center: 56791 - Apple iOS <8.4.1 Remote Information Disclosure of Kernel's Memory Layout - CVE-2015-3766, Medium

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

Entryinfo

Created: 08/14/2015 14:33
Updated: 02/02/2025 20:38
Changes: 08/14/2015 14:33 (72), 08/24/2018 08:55 (2), 02/02/2025 20:38 (18)
Complete: 🔍
Cache ID: 216:8BA:103

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