Apple watchOS up to 6.2.4 ImageIO out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple watchOS up to 6.2.4. This impacts an unknown function of the component ImageIO. The manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2020-9790. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple watchOS up to 6.2.4 (Smartwatch Operating System). It has been rated as critical. This issue affects an unknown functionality of the component ImageIO. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing a maliciously crafted image may lead to arbitrary code execution.

The weakness was released 05/18/2020 by Xingwei Lin with Ant-financial Light-Year Security Lab as HT211175 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2020-9790. 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. Neither technical details nor an exploit are publicly available. The advisory points out:

An out-of-bounds write issue was addressed with improved bounds checking.

Upgrading to version 6.2.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at VDB-155673, VDB-155674, VDB-155675 and VDB-155676. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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: watchOS 6.2.5

Timelineinfo

03/02/2020 🔍
05/18/2020 +77 days 🔍
05/18/2020 +0 days 🔍
05/29/2020 +11 days 🔍
10/19/2020 +143 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211175
Researcher: Xingwei Lin
Organization: Ant-financial Light-Year Security Lab
Status: Confirmed

CVE: CVE-2020-9790 (🔍)
GCVE (CVE): GCVE-0-2020-9790
GCVE (VulDB): GCVE-100-155681
See also: 🔍

Entryinfo

Created: 05/30/2020 00:13
Updated: 10/19/2020 16:05
Changes: 05/30/2020 00:13 (47), 05/30/2020 00:18 (17), 10/19/2020 16:05 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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