Apple watchOS up to 4.2.2 CoreText memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Apple watchOS up to 4.2.2. The impacted element is an unknown function of the component CoreText. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2018-4124. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple watchOS up to 4.2.2 (Smartwatch Operating System). It has been classified as critical. Affected is an unknown functionality of the component CoreText. 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 02/19/2018. The weakness was shared 02/19/2018 as HT208537 as confirmed security update (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2018-4124 since 01/02/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 107071 (macOS 10.13.3 Supplemental Update), 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 370782 (Apple macOS High Sierra 10.13.3 Supplemental Update Not Installed (HT208535)).

Upgrading to version 4.2.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (107071). The entries VDB-113603, VDB-113605 and VDB-113606 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: 107071
Nessus Name: macOS 10.13.3 Supplemental Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841792
OpenVAS Name: Apple MacOSX Memory Corruption Vulnerability (HT208535)
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 4.2.3

Timelineinfo

01/02/2018 🔍
02/19/2018 +48 days 🔍
02/19/2018 +0 days 🔍
02/19/2018 +0 days 🔍
02/20/2018 +1 days 🔍
02/28/2018 +8 days 🔍
04/03/2018 +34 days 🔍
02/08/2023 +1772 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208537
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4124 (🔍)
GCVE (CVE): GCVE-0-2018-4124
GCVE (VulDB): GCVE-100-113604
SecurityFocus: 103066
SecurityTracker: 1040396

See also: 🔍

Entryinfo

Created: 02/20/2018 13:15
Updated: 02/08/2023 14:52
Changes: 02/20/2018 13:15 (64), 01/07/2020 08:54 (12), 02/04/2021 11:15 (3), 02/08/2023 14:52 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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