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 classified as critical was found in Apple watchOS up to 6.2.4. This affects an unknown function of the component ImageIO. Executing a manipulation can lead to out-of-bounds write. This vulnerability is registered as CVE-2020-9789. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple watchOS up to 6.2.4 (Smartwatch Operating System). It has been declared as critical. This vulnerability affects an unknown function of the component ImageIO. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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 published 05/18/2020 by Wenchao Li with VARAS@IIE as HT211175 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2020-9789. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit 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.

Similar entries are available at VDB-155673, VDB-155674, VDB-155675 and VDB-155676. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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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: Wenchao Li
Organization: VARAS@IIE
Status: Confirmed

CVE: CVE-2020-9789 (🔍)
GCVE (CVE): GCVE-0-2020-9789
GCVE (VulDB): GCVE-100-155680
See also: 🔍

Entryinfo

Created: 05/30/2020 00:13
Updated: 10/19/2020 15:57
Changes: 05/30/2020 00:13 (47), 05/30/2020 00:18 (17), 10/19/2020 15:57 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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