Apple tvOS up to 12.1 Kernel Kernel Memory information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple tvOS up to 12.1 and classified as problematic. This affects an unknown function of the component Kernel. Such manipulation leads to information disclosure (Kernel Memory). This vulnerability is documented as CVE-2018-4431. The attack needs to be performed locally. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple tvOS up to 12.1 (Digital Media Player). Affected by this issue is an unknown code of the component Kernel. 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:

A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.

The bug was discovered 12/05/2018. The weakness was released 12/05/2018 with SecuriTeam Secure Disclosure as HT209342 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2018-4431 since 01/02/2018. Local access is required to approach this attack. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project. The advisory points out:

A memory initialization issue was addressed with improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 119841 (macOS 10.14.x < 10.14.2 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 371369 (Apple macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra Not Installed(HT209341)).

Upgrading to version 12.1.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119841). Entries connected to this vulnerability are available at VDB-126171, VDB-127563, VDB-127564 and VDB-127567. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

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Exploitinginfo

Name: Kernel Memory
Class: Information disclosure / Kernel Memory
CWE: CWE-200 / CWE-284 / CWE-266
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: 119841
Nessus Name: macOS 10.14.x < 10.14.2 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: tvOS 12.1.1

Timelineinfo

01/02/2018 🔍
12/05/2018 +337 days 🔍
12/05/2018 +0 days 🔍
12/05/2018 +0 days 🔍
12/06/2018 +1 days 🔍
12/21/2018 +15 days 🔍
04/18/2020 +484 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209342
Organization: SecuriTeam Secure Disclosure
Status: Confirmed

CVE: CVE-2018-4431 (🔍)
GCVE (CVE): GCVE-0-2018-4431
GCVE (VulDB): GCVE-100-127586
See also: 🔍

Entryinfo

Created: 12/06/2018 17:59
Updated: 04/18/2020 10:32
Changes: 12/06/2018 17:59 (69), 04/18/2020 10:32 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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