Apple tvOS up to 9.x WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple tvOS up to 9.x. Affected by this issue is some unknown functionality of the component WebKit. The manipulation results in memory corruption. This vulnerability was named CVE-2016-4766. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple tvOS up to 9.x (Digital Media Player). It has been classified as critical. Affected is an unknown function of the component WebKit. 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 weakness was presented 09/20/2016 with Apple as HT207142 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2016-4766 since 05/11/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 93721 (Mac OS X : Apple Safari < 10.0 Multiple Vulnerabilities), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370144 (Apple Safari 10 Not Installed (APPLE-SA-2016-09-20-2)).

Upgrading to version 10 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 (93721) and SecurityFocus (BID 93067†). See VDB-92019, VDB-92024, VDB-92025 and VDB-92026 for similar entries. Once again VulDB remains the best 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: 8.8
VulDB Meta Temp Score: 8.6

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93721
Nessus Name: Mac OS X : Apple Safari < 10.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802962
OpenVAS Name: Apple iTunes Multiple Vulnerabilities Sep16 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 10

Timelineinfo

05/11/2016 🔍
09/20/2016 +132 days 🔍
09/20/2016 +0 days 🔍
09/20/2016 +0 days 🔍
09/25/2016 +4 days 🔍
09/26/2016 +1 days 🔍
09/26/2016 +0 days 🔍
09/21/2022 +2186 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207142
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4766 (🔍)
GCVE (CVE): GCVE-0-2016-4766
GCVE (VulDB): GCVE-100-92148
SecurityFocus: 93067 - Apple iTunes/tvOS/Safari/iOS Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1036854

See also: 🔍

Entryinfo

Created: 09/26/2016 12:05
Updated: 09/21/2022 10:16
Changes: 09/26/2016 12:05 (70), 04/26/2019 11:16 (12), 09/21/2022 10:16 (4)
Complete: 🔍
Cache ID: 216::103

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