Apple tvOS WebKit information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apple tvOS. This vulnerability affects unknown code of the component WebKit. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2019-8827. Local access is required to approach this attack. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple tvOS (Digital Media Player) (affected version unknown). Affected by this issue is an unknown functionality of the component WebKit. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was disclosed 01/29/2020 by Security Team with Google Security Team as HT210947 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2019-8827. The attack needs to be approached locally. The successful exploitation needs a simple authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

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

The entries VDB-150687, VDB-150688, VDB-150689 and VDB-150690 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 🔍

Timelineinfo

02/18/2019 🔍
01/29/2020 +345 days 🔍
01/29/2020 +0 days 🔍
10/28/2020 +273 days 🔍
11/29/2020 +32 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210947
Researcher: Security Team
Organization: Google Security Team
Status: Confirmed

CVE: CVE-2019-8827 (🔍)
GCVE (CVE): GCVE-0-2019-8827
GCVE (VulDB): GCVE-100-163892
See also: 🔍

Entryinfo

Created: 10/28/2020 12:23
Updated: 11/29/2020 01:31
Changes: 10/28/2020 12:23 (45), 11/29/2020 01:29 (2), 11/29/2020 01:31 (18)
Complete: 🔍
Cache ID: 216::103

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