Apple watchOS ImageIO out-of-bounds read

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CVSS Meta Temp Score
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6.0$0-$5k0.07

A vulnerability was found in Apple watchOS (Smartwatch Operating System) (the affected version is unknown). It has been declared as critical. This vulnerability affects some unknown functionality of the component ImageIO. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-125. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

The weakness was presented 02/01/2021 by Xingwei Lin as confirmed advisory (Website). This vulnerability was named CVE-2021-1741 since 12/08/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful 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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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: 🔍

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

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-125
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Timelineinfoedit

12/08/2020 CVE assigned
02/01/2021 +55 days Advisory disclosed
02/01/2021 +0 days Countermeasure disclosed
04/03/2021 +61 days VulDB entry created
04/08/2021 +5 days VulDB last update

Sourcesinfoedit

Vendor: https://www.apple.com/

Researcher: Xingwei Lin
Status: Confirmed

CVE: CVE-2021-1741 (🔒)

Entryinfoedit

Created: 04/03/2021 11:26 AM
Updated: 04/08/2021 05:44 PM
Changes: (9) source_cve_nvd_summary software_type vulnerability_cvss2_vuldb_basescore vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_basescore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore exploit_price_0day
Complete: 🔍

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