Apple watchOS up to 4.1 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apple watchOS up to 4.1. The affected element is an unknown function of the component Kernel. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2017-13862. The attack requires a local approach. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple watchOS up to 4.1 (Smartwatch Operating System). This affects an unknown code of the component Kernel. The manipulation with an unknown input 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 bug was discovered 12/02/2017. The weakness was disclosed 12/05/2017 by Brandon Azad with Apple as HT208325 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2017-13862 since 08/30/2017. An attack has to be approached locally. A authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 105080 (macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)), 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 c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370677 (Apple macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan Not Installed).

Upgrading to version 4.2 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 (105080) and SecurityFocus (BID 102100†). The entries VDB-106777, VDB-107566, VDB-108975 and VDB-109077 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105080
Nessus Name: macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64745
OpenVAS Name: Apple MacOSX Security Updates(HT208331)-02
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 4.2

Timelineinfo

08/30/2017 🔍
12/02/2017 +94 days 🔍
12/05/2017 +3 days 🔍
12/05/2017 +0 days 🔍
12/06/2017 +1 days 🔍
12/07/2017 +1 days 🔍
12/11/2017 +4 days 🔍
12/25/2017 +14 days 🔍
01/26/2021 +1128 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208325
Researcher: Brandon Azad
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13862 (🔍)
GCVE (CVE): GCVE-0-2017-13862
GCVE (VulDB): GCVE-100-110457
SecurityFocus: 102100 - Apple iOS/WatchOS/tvOS/macOS Multiple Security Vulnerabilities
SecurityTracker: 1039952

See also: 🔍

Entryinfo

Created: 12/11/2017 12:08
Updated: 01/26/2021 15:51
Changes: 12/11/2017 12:08 (79), 12/13/2019 15:49 (6), 01/26/2021 15:51 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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