Apple iOS/iPadOS up to 16.1.2 AppleAVD 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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8.1$25k-$100k0.00

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS up to 16.1.2. It has been declared as very critical. The impacted element is an unknown function of the component AppleAVD. Executing a manipulation can lead to out-of-bounds write. This vulnerability is tracked as CVE-2022-46694. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple iOS and iPadOS up to 16.1.2 (Smartphone Operating System) and classified as very critical. This vulnerability affects some unknown processing of the component AppleAVD. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 12/13/2022 by Andrey Labunets and Nikita Tarakanov as HT213530 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2022-46694. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $25k-$100k at the moment (estimation calculated on 01/09/2023). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Parsing a maliciously crafted video file may lead to kernel code execution

Upgrading to version 16.2 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 input validation.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

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 16.2

Timelineinfo

12/07/2022 🔍
12/13/2022 +6 days 🔍
12/13/2022 +0 days 🔍
12/14/2022 +1 days 🔍
01/09/2023 +26 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213530
Researcher: Andrey Labunets, Nikita Tarakanov
Status: Confirmed

CVE: CVE-2022-46694 (🔍)
GCVE (CVE): GCVE-0-2022-46694
GCVE (VulDB): GCVE-100-215662
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/14/2022 09:00
Updated: 01/09/2023 09:26
Changes: 12/14/2022 09:00 (19), 12/14/2022 09:03 (28), 01/09/2023 09:24 (2), 01/09/2023 09:26 (11)
Complete: 🔍
Cache ID: 216::103

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