Apple tvOS up to 10.0 CoreGraphics JPEG Image memory corruption

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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple tvOS up to 10.0 and classified as critical. This issue affects some unknown processing of the component CoreGraphics. Performing a manipulation as part of JPEG Image results in memory corruption. This vulnerability is known as CVE-2016-4673. Attacking locally is a requirement. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple tvOS up to 10.0 (Digital Media Player). It has been classified as critical. This affects an unknown part of the component CoreGraphics. The manipulation as part of a JPEG Image 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 published 10/24/2016 by Marco Grassi with Google Project Zero as HT207270 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2016-4673 since 05/11/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A memory corruption issue was addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 94337 (Apple TV < 10.0.1 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370175 (Apple Mac OS X Security Update Sierra 10.12.1, El Capitan 2016-002 and Yosemite 2016-006 Not Installed (APPLE-SA-2016-10-24-2)).

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 (94337) and SecurityFocus (BID 93849†). Similar entries are available at VDB-93042, VDB-93046, VDB-93047 and VDB-93052. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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CVSSv2info

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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Nessus ID: 94337
Nessus Name: Apple TV < 10.0.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-03 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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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 🔍
10/27/2016 +2 days 🔍
02/20/2017 +116 days 🔍
09/28/2022 +2046 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207270
Researcher: Marco Grassi
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4673 (🔍)
GCVE (CVE): GCVE-0-2016-4673
GCVE (VulDB): GCVE-100-93075
SecurityFocus: 93849 - Apple macOS/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1037086

See also: 🔍

Entryinfo

Created: 10/25/2016 11:21
Updated: 09/28/2022 12:49
Changes: 10/25/2016 11:21 (60), 05/17/2019 20:35 (24), 09/28/2022 12:49 (4)
Complete: 🔍
Cache ID: 216::103

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