Apple watchOS up to 3.1.2 FontParser memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 3.1.2 and classified as critical. This vulnerability affects unknown code of the component FontParser. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2016-4688. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple watchOS up to 3.1.2 (Smartwatch Operating System) and classified as critical. This vulnerability affects an unknown code of the component FontParser. 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 bug was discovered 01/23/2017. The weakness was published 01/23/2017 as HT207487 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2016-4688 since 05/11/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The advisory points out:

A buffer overflow existed in the handling of font files. This issue was addressed through improved bounds checking.

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 370262 (Apple macOS Sierra Security Update 10.12.2 Not Installed (APPLE-SA-2016-12-13-1)).

Upgrading to version 3.1.3 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 94572†). Similar entries are available at VDB-93042, VDB-93046, VDB-93047 and VDB-93052. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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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: 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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 3.1.3

Timelineinfo

05/11/2016 🔍
10/27/2016 +169 days 🔍
11/27/2016 +31 days 🔍
01/23/2017 +57 days 🔍
01/23/2017 +0 days 🔍
01/23/2017 +0 days 🔍
01/25/2017 +2 days 🔍
02/20/2017 +26 days 🔍
09/20/2024 +2769 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207487
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4688 (🔍)
GCVE (CVE): GCVE-0-2016-4688
GCVE (VulDB): GCVE-100-95890
SecurityFocus: 94572 - Apple iOS/macOS/tvOS/watchOS CVE-2016-4688 Buffer Overflow Vulnerability
OSVDB: - CVE-2016-4688 - Apple - Multiple Products - Buffer Overflow Issue
SecurityTracker: 1037469

See also: 🔍

Entryinfo

Created: 01/25/2017 11:24
Updated: 09/20/2024 11:21
Changes: 01/25/2017 11:24 (75), 07/31/2020 09:18 (6), 11/03/2022 12:36 (4), 09/20/2024 11:21 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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