Apple Mac OS X up to 10.10.4 Kernel input validation

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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Apple Mac OS X up to 10.10.4. This vulnerability affects unknown code of the component Kernel. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2015-3805. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple Mac OS X up to 10.10.4 (Operating System). This vulnerability affects some unknown functionality of the component Kernel. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Apple iOS before 8.4.1 and OS X before 10.10.5 allow local users to bypass a code-signing protection mechanism via a crafted Mach-O file, a different vulnerability than CVE-2015-3802.

The weakness was disclosed 08/11/2015 by Ilja van Sprundel with Google Project Zero as HT205031 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2015-3805 since 05/07/2015. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90315 (Apple TV < 7.2.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. 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 (90315), SecurityFocus (BID 76343†), SecurityTracker (ID 1033276†) and Vulnerability Center (SBV-56751†). The entries VDB-77102, VDB-77103, VDB-77104 and VDB-77105 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90315
Nessus Name: Apple TV < 7.2.1 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 🔍
08/13/2015 +1 days 🔍
08/13/2015 +0 days 🔍
08/14/2015 +1 days 🔍
08/14/2015 +0 days 🔍
08/16/2015 +2 days 🔍
02/25/2016 +193 days 🔍
04/04/2016 +38 days 🔍
02/03/2025 +3227 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205031
Researcher: Ilja van Sprundel
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3805 (🔍)
GCVE (CVE): GCVE-0-2015-3805
GCVE (VulDB): GCVE-100-77212
SecurityFocus: 76343 - Apple Mac OS X and iOS Multiple Security Vulnerabilities
SecurityTracker: 1033276
Vulnerability Center: 56751 - Apple iOS <8.4.1 Local Unsigned Code Execution due to Validation Issue in Mach-O Files - CVE-2015-3805, High

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

Entryinfo

Created: 08/14/2015 14:33
Updated: 02/03/2025 01:35
Changes: 08/14/2015 14:33 (54), 08/23/2018 08:28 (24), 02/03/2025 01:35 (17)
Complete: 🔍
Cache ID: 216:2A5:103

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