Apple watchOS up to 8.4.2 Kernel null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 8.4.2. It has been declared as critical. Affected by this issue is some unknown functionality of the component Kernel. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2022-22638. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple watchOS up to 8.4.2 (Smartwatch Operating System) and classified as critical. This vulnerability affects some unknown processing of the component Kernel. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The weakness was presented 03/14/2022 by derrek as HT213193 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2022-22638. The technical details are unknown and an exploit is not available. The advisory points out:

An attacker in a privileged position may be able to perform a denial of service attack

Upgrading to version 8.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A null pointer dereference was addressed with improved validation.

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Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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 8.5

Timelineinfo

01/05/2022 🔍
03/14/2022 +68 days 🔍
03/14/2022 +0 days 🔍
03/15/2022 +1 days 🔍
03/17/2022 +2 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213193
Researcher: derrek
Status: Confirmed

CVE: CVE-2022-22638 (🔍)
GCVE (CVE): GCVE-0-2022-22638
GCVE (VulDB): GCVE-100-194998

Entryinfo

Created: 03/15/2022 09:24
Updated: 03/17/2022 10:11
Changes: 03/15/2022 09:24 (19), 03/15/2022 09:27 (27), 03/17/2022 10:11 (1)
Complete: 🔍
Cache ID: 216::103

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