Apple iOS/iPadOS up to 13.3.0 IOAcceleratorFamily memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple iOS and iPadOS up to 13.3.0. This impacts an unknown function of the component IOAcceleratorFamily. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2020-3837. The attack is only possible with local access. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS up to 13.3.0 (Smartphone Operating System). It has been classified as critical. This affects some unknown functionality of the component IOAcceleratorFamily. 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 01/28/2020 by Brandon Azad with Google Project Zero as HT210918 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2020-3837. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

The exploit is shared for download at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $100k and more. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 06/27/2022 with a due date of 07/18/2022:

Apply updates per vendor instructions.

Upgrading to version 13.3.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48035). Entries connected to this vulnerability are available at VDB-150573, VDB-150596, VDB-150616 and VDB-150617. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.6
VulDB Temp Score: 8.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

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KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
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Price Prediction: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS/iPadOS 13.3.1

Timelineinfo

12/18/2019 🔍
01/28/2020 +41 days 🔍
01/28/2020 +0 days 🔍
02/28/2020 +31 days 🔍
05/11/2025 +1899 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210918
Researcher: Brandon Azad
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2020-3837 (🔍)
GCVE (CVE): GCVE-0-2020-3837
GCVE (VulDB): GCVE-100-150621
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 02/28/2020 13:47
Updated: 05/11/2025 06:48
Changes: 02/28/2020 13:47 (48), 02/28/2020 13:52 (16), 04/06/2024 15:19 (19), 04/27/2024 08:57 (12), 09/09/2024 22:30 (1), 09/19/2024 00:31 (3), 01/29/2025 20:46 (11), 05/11/2025 06:48 (3)
Complete: 🔍
Cache ID: 216::103

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

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