Apple tvOS up to 14.1 ImageIO out-of-bounds write

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

Summaryinfo

A vulnerability described as critical has been identified in Apple tvOS up to 14.1. Impacted is an unknown function of the component ImageIO. The manipulation results in out-of-bounds write. This vulnerability is known as CVE-2020-27912. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple tvOS up to 14.1 (Digital Media Player). It has been classified as critical. Affected is an unknown code block of the component ImageIO. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 11/05/2020 by Xingwei Lin as HT211930 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2020-27912. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

Processing a maliciously crafted image may lead to arbitrary code execution

Upgrading to version 14.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An out-of-bounds write was addressed with improved input validation.

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Productinfo

Type

Vendor

Name

Version

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 write
CWE: CWE-787 / 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: 🔍

Upgrade: tvOS 14.2

Timelineinfo

10/27/2020 🔍
11/05/2020 +9 days 🔍
11/05/2020 +0 days 🔍
11/06/2020 +1 days 🔍
12/03/2020 +27 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211930
Researcher: Xingwei Lin
Status: Confirmed

CVE: CVE-2020-27912 (🔍)
GCVE (CVE): GCVE-0-2020-27912
GCVE (VulDB): GCVE-100-164400

Entryinfo

Created: 11/06/2020 08:52
Updated: 12/03/2020 06:54
Changes: 11/06/2020 08:52 (18), 11/06/2020 08:56 (28), 12/03/2020 06:54 (1)
Complete: 🔍
Cache ID: 216::103

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