Apple watchOS up to 4.3.1 Emoji denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple watchOS up to 4.3.1. The affected element is an unknown function of the component Emoji. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2018-4290. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple watchOS up to 4.3.1 (Smartwatch Operating System) and classified as problematic. Affected by this issue is an unknown code block of the component Emoji. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

A denial of service issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, watchOS 4.3.2.

The bug was discovered 07/09/2018. The weakness was presented 07/09/2018 by Patrick Wardle as HT208935 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2018-4290 since 01/02/2018. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499. The advisory points out:

A denial of service issue was addressed with improved memory handling.

Upgrading to version 4.3.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-120988, VDB-121040, VDB-121027 and VDB-121029 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 4.3.2

Timelineinfo

01/02/2018 🔍
07/09/2018 +188 days 🔍
07/09/2018 +0 days 🔍
07/09/2018 +0 days 🔍
07/10/2018 +1 days 🔍
03/01/2020 +600 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208935
Researcher: Patrick Wardle
Status: Confirmed

CVE: CVE-2018-4290 (🔍)
GCVE (CVE): GCVE-0-2018-4290
GCVE (VulDB): GCVE-100-121028
See also: 🔍

Entryinfo

Created: 07/10/2018 14:29
Updated: 03/01/2020 08:42
Changes: 07/10/2018 14:29 (62), 03/01/2020 08:42 (3)
Complete: 🔍
Cache ID: 216::103

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