Apple iOS up to 8.4.1 NetworkExtension Kernel Memory information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 8.4.1. It has been declared as problematic. Affected by this issue is some unknown functionality of the component NetworkExtension. Such manipulation leads to information disclosure (Kernel Memory). This vulnerability is traded as CVE-2015-5831. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS up to 8.4.1 (Smartphone Operating System). It has been rated as problematic. Affected by this issue is some unknown processing of the component NetworkExtension. The manipulation with an unknown input leads to a information disclosure vulnerability (Kernel Memory). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

NetworkExtension in the kernel in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows attackers to obtain sensitive memory-layout information via a crafted app.

The weakness was shared 09/16/2015 by Maxime Villard (beist) with m00nbsd as HT205212 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2015-5831 since 08/06/2015. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 86270 (Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)), 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 370192 (Apple Mac OS X v10.11 Not Installed (APPLE-SA-2015-09-30-3)).

Upgrading to version 9 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 (86270), SecurityFocus (BID 76764†) and Vulnerability Center (SBV-53107†). The entries VDB-9015, VDB-68413, VDB-74127 and VDB-77828 are related to this item. 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: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Name: Kernel Memory
Class: Information disclosure / Kernel 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: 86270
Nessus Name: Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus 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: iOS 9

Timelineinfo

08/06/2015 🔍
09/16/2015 +41 days 🔍
09/16/2015 +0 days 🔍
09/16/2015 +0 days 🔍
09/18/2015 +2 days 🔍
09/18/2015 +0 days 🔍
09/30/2015 +12 days 🔍
10/01/2015 +1 days 🔍
11/21/2024 +3339 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205212
Researcher: Maxime Villard (beist)
Organization: m00nbsd
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5831 (🔍)
GCVE (CVE): GCVE-0-2015-5831
GCVE (VulDB): GCVE-100-77804
SecurityFocus: 76764 - Apple iOS APPLE-SA-2015-09-16-1 Multiple Security Vulnerabilities
SecurityTracker: 1033609
Vulnerability Center: 53107 - Apple MacOS X before 10.11 Remote Kernel Memory Read in NetworkExtension - CVE-2015-5831, Medium

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 09/18/2015 13:09
Updated: 11/21/2024 22:23
Changes: 09/18/2015 13:09 (63), 02/02/2018 08:23 (12), 06/16/2022 08:51 (3), 06/16/2022 08:55 (1), 11/21/2024 22:23 (16)
Complete: 🔍
Cache ID: 216::103

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