Apple iOS/iPadOS up to 15.5 AppleAVD buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS and iPadOS up to 15.5. Impacted is an unknown function of the component AppleAVD. Such manipulation leads to buffer overflow. This vulnerability is traded as CVE-2022-32788. The attack may be launched remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS up to 15.5 (Smartphone Operating System). It has been rated as critical. Affected by this issue is an unknown part of the component AppleAVD. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow was addressed with improved bounds checking. This issue is fixed in watchOS 8.7, tvOS 15.6, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5. A remote user may be able to cause kernel code execution.

The weakness was shared 07/20/2022 by Natalie Silvanovich as HT213346 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2022-32788. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The advisory points out:

A remote user may be able to cause kernel code execution

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $100k and more.

Upgrading to version 15.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A buffer overflow was addressed with improved bounds checking.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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 15.6

Timelineinfo

06/09/2022 🔍
07/20/2022 +41 days 🔍
07/20/2022 +0 days 🔍
07/21/2022 +1 days 🔍
05/28/2025 +1042 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213346
Researcher: Natalie Silvanovich
Status: Confirmed

CVE: CVE-2022-32788 (🔍)
GCVE (CVE): GCVE-0-2022-32788
GCVE (VulDB): GCVE-100-204704
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 07/21/2022 16:01
Updated: 05/28/2025 22:17
Changes: 07/21/2022 16:01 (19), 07/21/2022 16:04 (28), 08/16/2022 08:16 (1), 06/22/2024 16:27 (23), 04/30/2025 13:37 (3), 05/28/2025 22:17 (13)
Complete: 🔍
Cache ID: 216::103

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