Apple tvOS up to 9.x WebKit input validation

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

Summaryinfo

A vulnerability was found in Apple tvOS up to 9.x. It has been rated as critical. Impacted is an unknown function of the component WebKit. The manipulation leads to input validation. This vulnerability is documented as CVE-2016-4728. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple tvOS up to 9.x (Digital Media Player). It has been rated as critical. This issue affects an unknown function of the component WebKit. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

WebKit in Apple iOS before 10, tvOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 mishandles error prototypes, which allows remote attackers to execute arbitrary code via a crafted web site.

The weakness was released 09/20/2016 by Daniel Divricean as HT207142 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2016-4728 since 05/11/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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:

A parsing issue existed in the handling of error prototypes. This was addressed through improved validation.

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 93064†). Entries connected to this vulnerability are available at VDB-92019, VDB-92024, VDB-92025 and VDB-92026. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

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 +5 days 🔍
09/26/2016 +1 days 🔍
09/26/2016 +0 days 🔍
09/21/2022 +2186 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207142
Researcher: Daniel Divricean
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4728 (🔍)
GCVE (CVE): GCVE-0-2016-4728
GCVE (VulDB): GCVE-100-92141
SecurityFocus: 93064 - Apple iTunes/TV OS/Safari/iOS Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1036854

See also: 🔍

Entryinfo

Created: 09/26/2016 12:08
Updated: 09/21/2022 09:52
Changes: 09/26/2016 12:08 (60), 04/26/2019 10:32 (24), 09/21/2022 09:52 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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