Apple tvOS up to 10.0 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 has been found in Apple tvOS up to 10.0. This vulnerability affects unknown code of the component WebKit. This manipulation causes memory corruption. This vulnerability is registered as CVE-2016-4677. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS up to 10.0 (Digital Media Player). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component WebKit. 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 weakness was published 10/24/2016 as HT207270 as confirmed advisory (Website) via ZDI (Zero Day Initiative). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2016-4677 since 05/11/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 95411 (macOS : Apple Safari < 10.0.1 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 370174 (Apple Safari 10.0.1 Not Installed (APPLE-SA-2016-10-24-3)).

Upgrading to version 10.0.1 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 Tenable (95411) and SecurityFocus (BID 93853†). Similar entries are available at VDB-93052, VDB-93053, VDB-93041 and VDB-93055. 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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VulDB Base Score: 🔍
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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: 95411
Nessus Name: macOS : Apple Safari < 10.0.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800486
OpenVAS Name: Apple Safari Code Execution And Information Disclosure Vulnerabilities Feb17
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 10.0.1

Timelineinfo

05/11/2016 🔍
10/24/2016 +166 days 🔍
10/24/2016 +0 days 🔍
10/24/2016 +0 days 🔍
10/25/2016 +1 days 🔍
11/30/2016 +36 days 🔍
02/20/2017 +82 days 🔍
09/28/2022 +2046 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207270
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4677 (🔍)
GCVE (CVE): GCVE-0-2016-4677
GCVE (VulDB): GCVE-100-93085
SecurityFocus: 93853 - WebKit CVE-2016-4677 Memory Corruption Vulnerability
SecurityTracker: 1037087

See also: 🔍

Entryinfo

Created: 10/25/2016 11:22
Updated: 09/28/2022 13:51
Changes: 10/25/2016 11:22 (70), 05/18/2019 06:39 (12), 09/28/2022 13:51 (4)
Complete: 🔍
Cache ID: 216::103

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