Apple tvOS up to 10.2.1 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple tvOS up to 10.2.1. It has been rated as critical. This affects an unknown function of the component Kernel. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2017-7022. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Apple tvOS up to 10.2.1 (Digital Media Player). Affected by this vulnerability is an unknown function of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 07/19/2017. The weakness was disclosed 07/19/2017 by Ian Beer with Google Project Zero as HT207924 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2017-7022 since 03/17/2017. Attacking locally is a requirement. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 101957 (macOS and Mac OS X Multiple Vulnerabilities (Security Update 2017-003)), 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 l.

Upgrading to version 10.2.2 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 (101957) and SecurityFocus (BID 99883†). The entries VDB-97206, VDB-101947, VDB-104147 and VDB-104101 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: 101957
Nessus Name: macOS and Mac OS X Multiple Vulnerabilities (Security Update 2017-003)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Code Execution And Information Disclosure Vulnerabilities HT207922
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 10.2.2

Timelineinfo

03/17/2017 🔍
07/19/2017 +124 days 🔍
07/19/2017 +0 days 🔍
07/19/2017 +0 days 🔍
07/19/2017 +0 days 🔍
07/20/2017 +0 days 🔍
07/20/2017 +0 days 🔍
07/25/2017 +5 days 🔍
01/04/2021 +1259 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207924
Researcher: Ian Beer
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7022 (🔍)
GCVE (CVE): GCVE-0-2017-7022
GCVE (VulDB): GCVE-100-104167
SecurityFocus: 99883 - Apple iOS/WatchOS/tvOS/macOS Multiple Security Vulnerabilities
SecurityTracker: 1038950

See also: 🔍

Entryinfo

Created: 07/20/2017 15:19
Updated: 01/04/2021 18:43
Changes: 07/20/2017 15:19 (75), 10/30/2019 06:00 (7), 01/04/2021 18:43 (3)
Complete: 🔍
Cache ID: 216::103

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