Apple tvOS up to 10.2.0 AVEVideoEncoder memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple tvOS up to 10.2.0. It has been classified as critical. The impacted element is an unknown function of the component AVEVideoEncoder. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2017-6989. Attacking locally is a requirement. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Apple tvOS up to 10.2.0 (Digital Media Player). This affects an unknown code block of the component AVEVideoEncoder. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 05/10/2017. The weakness was published 05/15/2017 by lokihardt with Zimperium zLabs as HT207801 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-6989 since 03/17/2017. Attacking locally is a requirement. The requirement for exploitation is a authentication. Technical details are unknown but a public exploit is available. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

The exploit is shared for download 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 5 days. During that time the estimated underground price was around $5k-$25k. 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.

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 Exploit-DB (42555), Tenable (100256) and SecurityFocus (BID 98454†). Similar entries are available at VDB-101294, VDB-101254, VDB-101258 and VDB-101262. Be aware that VulDB is the high quality source for vulnerability data.

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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: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

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: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 10.2.1

Timelineinfo

03/17/2017 🔍
05/10/2017 +54 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 🔍
10/28/2024 +2716 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207801
Researcher: lokihardt (lokihardt)
Organization: Zimperium zLabs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6989 (🔍)
GCVE (CVE): GCVE-0-2017-6989
GCVE (VulDB): GCVE-100-101295
SecurityFocus: 98454 - WebKit CVE-2017-6984 Unspecified Memory Corruption Vulnerability
OSVDB: - CVE-2017-6989 - Apple - Apple Tv - High
SecurityTracker: 1038485

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

Entryinfo

Created: 05/16/2017 09:01
Updated: 10/28/2024 04:53
Changes: 05/16/2017 09:01 (81), 09/27/2020 10:15 (3), 12/23/2020 18:42 (3), 12/23/2020 18:49 (1), 10/28/2024 04:53 (15)
Complete: 🔍
Cache ID: 216:755:103

Be aware that VulDB is the high quality source for vulnerability data.

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