Apple watchOS up to 8.1.1 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple watchOS up to 8.1.1. This affects an unknown part of the component Kernel. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2021-30916. The attack can only be executed locally. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple watchOS up to 8.1.1 (Smartwatch Operating System) and classified as critical. Affected by this vulnerability is some unknown processing of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 12/13/2021 by Zweig as HT212975 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2021-30916. Neither technical details nor an exploit are publicly available. The advisory points out:

A malicious application may be able to execute arbitrary code with kernel privileges

Upgrading to version 8.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A memory corruption issue was addressed with improved memory handling.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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 8.3

Timelineinfo

04/13/2021 🔍
12/13/2021 +244 days 🔍
12/13/2021 +0 days 🔍
12/17/2021 +4 days 🔍
12/22/2021 +5 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212975
Researcher: Zweig
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-30916 (🔍)
GCVE (CVE): GCVE-0-2021-30916
GCVE (VulDB): GCVE-100-188509

Entryinfo

Created: 12/17/2021 15:59
Updated: 12/22/2021 20:59
Changes: 12/17/2021 15:59 (16), 12/17/2021 16:00 (3), 12/17/2021 16:03 (27), 12/22/2021 20:51 (3), 12/22/2021 20:59 (17)
Complete: 🔍
Cache ID: 216::103

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