Apple tvOS up to 9.x WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple tvOS up to 9.x. This affects an unknown function of the component WebKit. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2016-4734. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Apple tvOS up to 9.x (Digital Media Player). Affected by this issue is an unknown part of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was shared 09/20/2016 by Natalie Silvanovich with Google Project Zero as HT207142 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2016-4734 since 05/11/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/21/2022). The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 93776 (Apple TV < 10 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 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 (93776) and SecurityFocus (BID 93057†). The entries VDB-91993, VDB-91997, VDB-91998 and VDB-92002 are related to this item. 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: 9.6
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.6
VulDB Temp Score: 9.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.6
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93776
Nessus Name: Apple TV < 10 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801514
OpenVAS Name: Apple Safari Multiple Vulnerabilities September16 (Mac OS X)
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 🔍
09/28/2016 +2 days 🔍
09/21/2022 +2184 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207142
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4734 (🔍)
GCVE (CVE): GCVE-0-2016-4734
GCVE (VulDB): GCVE-100-92144
SecurityFocus: 93057 - Apple iOS/tvOS/Safari Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1036854

See also: 🔍

Entryinfo

Created: 09/26/2016 12:05
Updated: 09/21/2022 10:02
Changes: 09/26/2016 12:05 (71), 04/26/2019 10:50 (12), 09/21/2022 10:02 (4)
Complete: 🔍
Cache ID: 216:7D7:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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