Apple tvOS up to 10.1 FontParser out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple tvOS up to 10.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component FontParser. This manipulation causes out-of-bounds. This vulnerability is tracked as CVE-2017-2439. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Apple tvOS up to 10.1 (Digital Media Player). Affected by this vulnerability is an unknown part of the component FontParser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, and availability.

The bug was discovered 03/27/2017. The weakness was disclosed 03/27/2017 by John Villamil with Qihoo 360 Vulcan Team as HT207601 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-2439 since 12/01/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

An out-of-bounds read was addressed through improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 99264 (Apple TV < 10.2 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 370348 (Apple Mac OS X Security Update Sierra 10.12.4, El Capitan 2017-001 and Yosemite 2017-001 Not Installed (APPLE-SA-2017-03-27-3)).

Upgrading to version 10.2 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 Tenable (99264) and SecurityFocus (BID 97137†). The entries VDB-98613, VDB-98614, VDB-98618 and VDB-98619 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 99264
Nessus Name: Apple TV < 10.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207615
OpenVAS File: 🔍
OpenVAS 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: tvOS 10.2

Timelineinfo

12/01/2016 🔍
03/27/2017 +116 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
04/01/2017 +4 days 🔍
04/10/2017 +9 days 🔍
10/28/2024 +2758 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207601
Researcher: John Villamil
Organization: Qihoo 360 Vulcan Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2439 (🔍)
GCVE (CVE): GCVE-0-2017-2439
GCVE (VulDB): GCVE-100-98857
SecurityFocus: 97137 - Apple iOS/tvOS/macOS/watchOS Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2439 - Apple - Multiple Products - Out-of-Bounds Read Issue
SecurityTracker: 1038138

See also: 🔍

Entryinfo

Created: 03/28/2017 12:06
Updated: 10/28/2024 15:14
Changes: 03/28/2017 12:06 (76), 08/22/2020 18:30 (7), 11/21/2022 16:00 (4), 10/28/2024 15:14 (16)
Complete: 🔍
Cache ID: 216:D68:103

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

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