Apple iOS/iPadOS up to 15.3.1 Kernel null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS up to 15.3.1. It has been classified as problematic. Impacted is an unknown function of the component Kernel. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2022-22638. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS and iPadOS up to 15.3.1 (Smartphone Operating System). This issue affects an unknown code block of the component Kernel. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.

The weakness was shared 03/14/2022 by derrek as HT213182 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2022-22638. Neither technical details nor an exploit are publicly available. The advisory points out:

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

Upgrading to version 15.4 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.

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

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: Partially
Local: Yes
Remote: No

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: iOS/iPadOS 15.4

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: HT213182
Researcher: derrek
Status: Confirmed

CVE: CVE-2022-22638 (🔍)
GCVE (CVE): GCVE-0-2022-22638
GCVE (VulDB): GCVE-100-194969
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 03/15/2022 09:06
Updated: 03/17/2022 08:41
Changes: 03/15/2022 09:06 (19), 03/15/2022 09:09 (28), 03/17/2022 08:41 (1)
Complete: 🔍
Cache ID: 216::103

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

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