Apple tvOS up to 10.2.0 CoreAudio Memory access control

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 10.2.0. It has been declared as problematic. This affects an unknown function of the component CoreAudio. Executing a manipulation can lead to access control (Memory). This vulnerability is handled as CVE-2017-2502. It is possible to launch the attack on the local host. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apple tvOS up to 10.2.0 (Digital Media Player). This vulnerability affects some unknown processing of the component CoreAudio. The manipulation with an unknown input leads to a access control vulnerability (Memory). The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality.

The bug was discovered 05/10/2017. The weakness was released 05/15/2017 by Patrick Wardle (OSS-Fuzz) with Qihoo as HT207801 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2017-2502 since 12/01/2016. The attack needs to be approached locally. Required for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

A validation issue was addressed with improved input sanitization.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100256 (Apple TV < 10.2.1 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 370396 (Apple macOS Sierra Security Update 10.12.5, El Capitan 2017-002 and Yosemite 2017-002 Not Installed (2017-002)).

Upgrading to version 10.2.1 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 (100256) and SecurityFocus (BID 98468†). Entries connected to this vulnerability are available at VDB-101294, VDB-101254, VDB-101255 and VDB-101256. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Access control / Memory
CWE: CWE-284 / CWE-266
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: 100256
Nessus Name: Apple TV < 10.2.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207797
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 10.2.1

Timelineinfo

12/01/2016 🔍
05/10/2017 +160 days 🔍
05/15/2017 +5 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/16/2017 +1 days 🔍
05/17/2017 +1 days 🔍
05/22/2017 +5 days 🔍
12/23/2020 +1311 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207801
Researcher: Patrick Wardle (OSS-Fuzz)
Organization: Qihoo
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2502 (🔍)
GCVE (CVE): GCVE-0-2017-2502
GCVE (VulDB): GCVE-100-101296
SecurityFocus: 98468 - Apple iOS/WatchOS/tvOS/macOS Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2502 - Apple - Multiple Products - Security Bypass Issue
SecurityTracker: 1038484

See also: 🔍

Entryinfo

Created: 05/16/2017 09:02
Updated: 12/23/2020 18:55
Changes: 05/16/2017 09:02 (81), 09/27/2020 10:18 (8), 12/23/2020 18:55 (4)
Complete: 🔍
Cache ID: 216:ECA:103

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