Apple iOS/iPadOS up to 15.0.2 GPU Drivers out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple iOS and iPadOS up to 15.0.2. Affected is an unknown function of the component GPU Drivers. Performing a manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2021-30900. The attack is only possible with local access. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple iOS and iPadOS up to 15.0.2 (Smartphone Operating System). This affects some unknown functionality of the component GPU Drivers. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 10/25/2021 by Yinyi Wu as HT212867 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2021-30900. Technical details are unknown but an exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/30/2025). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

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

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/30/2023 with a due date of 04/20/2023:

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:

An out-of-bounds write issue was addressed with improved bounds checking.

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

Productinfo

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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: 7.7

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: Out-of-bounds write
CWE: CWE-787 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS/iPadOS 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: HT212867
Researcher: Yinyi Wu
Status: Confirmed

CVE: CVE-2021-30900 (🔍)
GCVE (CVE): GCVE-0-2021-30900
GCVE (VulDB): GCVE-100-185481
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 10/27/2021 08:21
Updated: 01/30/2025 02:34
Changes: 10/27/2021 08:21 (19), 10/27/2021 08:24 (28), 10/31/2021 09:22 (2), 04/28/2024 11:11 (27), 06/28/2024 22:58 (18), 09/27/2024 13:49 (2), 01/30/2025 02:34 (10)
Complete: 🔍
Cache ID: 216::103

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

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