Apple watchOS up to 6.2.4 Accounts denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 6.2.4. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Accounts. Performing a manipulation results in denial of service. This vulnerability was named CVE-2020-9827. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Apple watchOS up to 6.2.4 (Smartwatch Operating System). This affects an unknown function of the component Accounts. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

A denial of service issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A remote attacker may be able to cause a denial of service.

The weakness was presented 05/18/2020 by Jannik Lorenz with TU Darmstadt as HT211175 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2020-9827. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue. The advisory points out:

A denial of service issue was addressed with improved input validation.

Upgrading to version 6.2.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-155674, VDB-155675, VDB-155676 and VDB-155677 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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 6.2.5

Timelineinfo

03/02/2020 🔍
05/18/2020 +77 days 🔍
05/18/2020 +0 days 🔍
05/29/2020 +11 days 🔍
10/19/2020 +143 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211175
Researcher: Jannik Lorenz
Organization: TU Darmstadt
Status: Confirmed

CVE: CVE-2020-9827 (🔍)
GCVE (CVE): GCVE-0-2020-9827
GCVE (VulDB): GCVE-100-155673
See also: 🔍

Entryinfo

Created: 05/30/2020 00:10
Updated: 10/19/2020 15:14
Changes: 05/30/2020 00:10 (47), 05/30/2020 00:15 (17), 10/19/2020 15:14 (1)
Complete: 🔍
Cache ID: 216::103

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

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