Apple tvOS 15.0 IOMobileFrameBuffer memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Apple tvOS 15.0. The affected element is an unknown function of the component IOMobileFrameBuffer. The manipulation results in memory corruption. This vulnerability is identified as CVE-2021-30883. The attack is only possible with local access. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple tvOS 15.0 (Digital Media Player). Affected is an unknown functionality of the component IOMobileFrameBuffer. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 10/25/2021 as HT212876 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2021-30883. Technical details are unknown but an exploit is available. The advisory points out:

An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

It is declared as attacked. This issue was added on 05/23/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/13/2022:

Apply updates per vendor instructions.

Upgrading to version 15.1 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.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (670). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

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

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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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: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: tvOS 15.1

Timelineinfo

04/13/2021 🔍
10/25/2021 +195 days 🔍
10/25/2021 +0 days 🔍
10/27/2021 +2 days 🔍
01/30/2025 +1191 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212876
Status: Confirmed

CVE: CVE-2021-30883 (🔍)
GCVE (CVE): GCVE-0-2021-30883
GCVE (VulDB): GCVE-100-185466
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/27/2021 07:46
Updated: 01/30/2025 02:34
Changes: 10/27/2021 07:46 (18), 10/27/2021 07:49 (27), 10/31/2021 08:42 (2), 04/26/2024 10:04 (26), 06/24/2024 02:00 (2), 09/22/2024 23:32 (1), 01/30/2025 02:34 (27)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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