Apple tvOS FontParser out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple tvOS. Affected by this vulnerability is an unknown functionality of the component FontParser. Such manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2020-9956. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple tvOS (Digital Media Player) (the affected version unknown) and classified as critical. Affected by this issue is an unknown part of the component FontParser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was presented 12/14/2020 by Mickey Jin and Junzhi Lu as confirmed advisory (Website). This vulnerability is handled as CVE-2020-9956 since 03/02/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

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

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 🔍

Timelineinfo

03/02/2020 🔍
12/14/2020 +287 days 🔍
12/14/2020 +0 days 🔍
04/03/2021 +110 days 🔍
04/08/2021 +5 days 🔍

Sourcesinfo

Vendor: apple.com

Researcher: Mickey Jin, Junzhi Lu
Status: Confirmed

CVE: CVE-2020-9956 (🔍)
GCVE (CVE): GCVE-0-2020-9956
GCVE (VulDB): GCVE-100-172238

Entryinfo

Created: 04/03/2021 11:09
Updated: 04/08/2021 16:17
Changes: 04/03/2021 11:09 (33), 04/08/2021 16:17 (9)
Complete: 🔍
Cache ID: 216::103

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