Apple tvOS up to 15.5.1 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 identified as critical has been detected in Apple tvOS up to 15.5.1. This affects an unknown part of the component AppleAVD. This manipulation causes buffer overflow. This vulnerability is registered as CVE-2022-32788. Remote exploitation of the attack is possible. Furthermore, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple tvOS up to 15.5.1 (Digital Media Player) and classified as critical. Affected by this vulnerability is some unknown functionality of the component AppleAVD. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 published 07/20/2022 by Natalie Silvanovich as HT213342 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2022-32788. 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 remote user may be able to cause kernel code execution

It is possible to download the exploit at packetstormsecurity.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

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 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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Version

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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

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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: tvOS 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: HT213342
Researcher: Natalie Silvanovich
Status: Confirmed

CVE: CVE-2022-32788 (🔍)
GCVE (CVE): GCVE-0-2022-32788
GCVE (VulDB): GCVE-100-204745
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/21/2022 18:47
Updated: 05/28/2025 22:17
Changes: 07/21/2022 18:47 (19), 07/21/2022 18:50 (27), 08/16/2022 10:28 (1), 06/22/2024 16:27 (23), 04/30/2025 13:37 (3), 05/28/2025 22:17 (13)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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