Apple watchOS up to 6.2.4 System Preferences race condition

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple watchOS up to 6.2.4. Affected by this issue is some unknown functionality of the component System Preferences. This manipulation causes race condition. This vulnerability is registered as CVE-2020-9839. The attack needs to be launched locally. Furthermore, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple watchOS up to 6.2.4 (Smartwatch Operating System) and classified as problematic. Affected by this vulnerability is an unknown functionality of the component System Preferences. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A race condition was addressed with improved state handling. 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. An application may be able to gain elevated privileges.

The weakness was published 05/18/2020 with Zero Day Initiative as HT211175 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2020-9839. Attacking locally is a requirement. The successful exploitation needs a single authentication. Technical details are unknown but a public exploit is available. The advisory points out:

A race condition was addressed with improved state handling.

It is possible to download the exploit at packetstormsecurity.com. It is declared as highly functional.

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

Similar entries are available at VDB-155673, VDB-155674, VDB-155675 and VDB-155676. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

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

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

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 🔍
06/16/2024 +1479 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211175
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2020-9839 (🔍)
GCVE (CVE): GCVE-0-2020-9839
GCVE (VulDB): GCVE-100-155695
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/30/2020 00:17
Updated: 06/16/2024 10:45
Changes: 05/30/2020 00:17 (46), 05/30/2020 00:22 (17), 10/19/2020 17:15 (1), 06/16/2024 10:45 (22)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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