Apple tvOS up to 11.1 Kernel 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, which was classified as problematic, has been found in Apple tvOS up to 11.1. This vulnerability affects unknown code of the component Kernel. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2017-13868. The attack is restricted to local execution. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apple tvOS up to 11.1 (Digital Media Player). Affected by this vulnerability is an unknown functionality of the component Kernel. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The bug was discovered 12/02/2017. The weakness was disclosed 12/04/2017 by Brandon Azad with Google Project Zero as HT208327 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-13868 since 08/30/2017. An attack has to be approached locally. The successful exploitation needs a single authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue. The advisory points out:

Multiple validation issues were addressed with improved input sanitization.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105612 (Apple TV < 11.2 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 370677 (Apple macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan Not Installed).

Upgrading to version 11.2 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 Exploit-DB (44234), Tenable (105612) and SecurityFocus (BID 102100†). The entries VDB-106777, VDB-107566, VDB-109077 and VDB-109291 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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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: 4.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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EPSS Percentile: 🔍

Price Prediction: 🔍
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Nessus ID: 105612
Nessus Name: Apple TV < 11.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64745
OpenVAS Name: Apple MacOSX Security Updates(HT208331)-02
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 11.2

Timelineinfo

08/30/2017 🔍
12/02/2017 +94 days 🔍
12/04/2017 +2 days 🔍
12/04/2017 +0 days 🔍
12/06/2017 +2 days 🔍
12/10/2017 +4 days 🔍
12/25/2017 +15 days 🔍
01/05/2018 +11 days 🔍
01/19/2025 +2571 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208327
Researcher: Brandon Azad
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13868 (🔍)
GCVE (CVE): GCVE-0-2017-13868
GCVE (VulDB): GCVE-100-110377
SecurityFocus: 102100 - Apple iOS/WatchOS/tvOS/macOS Multiple Security Vulnerabilities
SecurityTracker: 1039952

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/10/2017 08:54
Updated: 01/19/2025 16:08
Changes: 12/10/2017 08:54 (79), 12/13/2019 08:29 (11), 01/26/2021 09:38 (3), 01/19/2025 16:08 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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