Apple tvOS up to 13.4.4 System Preferences race condition

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple tvOS up to 13.4.4. It has been declared as problematic. Affected by this issue is some unknown functionality of the component System Preferences. Executing a manipulation can lead to race condition. This vulnerability appears as CVE-2020-9839. The attack requires local access. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple tvOS up to 13.4.4 (Digital Media Player). This vulnerability affects some unknown processing 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 weakness was presented 05/26/2020 with Zero Day Initiative as HT211171 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2020-9839. The attack needs to be approached locally. Required for exploitation is 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 13.4.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-155695, VDB-155707, VDB-155708 and VDB-155709 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: tvOS 13.4.5

Timelineinfo

03/02/2020 🔍
05/26/2020 +85 days 🔍
05/26/2020 +0 days 🔍
05/29/2020 +3 days 🔍
06/16/2024 +1479 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211171
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2020-9839 (🔍)
GCVE (CVE): GCVE-0-2020-9839
GCVE (VulDB): GCVE-100-155728
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/30/2020 00:33
Updated: 06/16/2024 10:45
Changes: 05/30/2020 00:33 (46), 05/30/2020 00:38 (16), 10/19/2020 20:12 (2), 06/16/2024 10:45 (22)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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