Apple tvOS up to 12.2.1 MobileLockdown input validation

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 12.2.1. It has been rated as critical. This affects an unknown part of the component MobileLockdown. The manipulation leads to input validation. This vulnerability is traded as CVE-2019-8637. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple tvOS up to 12.2.1 (Digital Media Player). This issue affects an unknown function of the component MobileLockdown. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to gain root privileges.

The weakness was shared 05/13/2019 by Dany Lisiansky as HT210120 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2019-8637 since 02/18/2019. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

An input validation issue was addressed with improved input validation.

Upgrading to version 12.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-134901, VDB-134932, VDB-134933 and VDB-134934 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: tvOS 12.3

Timelineinfo

02/18/2019 🔍
05/13/2019 +84 days 🔍
05/13/2019 +0 days 🔍
05/15/2019 +2 days 🔍
06/11/2020 +393 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210120
Researcher: Dany Lisiansky
Status: Confirmed

CVE: CVE-2019-8637 (🔍)
GCVE (CVE): GCVE-0-2019-8637
GCVE (VulDB): GCVE-100-134939
See also: 🔍

Entryinfo

Created: 05/15/2019 09:25
Updated: 06/11/2020 14:58
Changes: 05/15/2019 09:25 (62), 06/11/2020 14:58 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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