Apple iOS/iPadOS up to 16.4.0 IOSurfaceAccelerator 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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8.2$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Apple iOS and iPadOS up to 16.4.0. Affected by this vulnerability is an unknown functionality of the component IOSurfaceAccelerator. The manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2023-28206. The attack must be initiated from a local position. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple iOS and iPadOS up to 16.4.0 (Smartphone Operating System). Affected is an unknown functionality of the component IOSurfaceAccelerator. 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 shared 04/07/2023 by Clément Lecigne as HT213720 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2023-28206. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/28/2025). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

It is declared as attacked. This issue was added on 04/10/2023 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/01/2023:

Apply updates per vendor instructions.

Upgrading to version 16.4.1 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 input validation.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (760). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
NVD Vector: 🔍

CNA Base Score: 8.6
CNA 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: Partially

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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Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS/iPadOS 16.4.1

Timelineinfo

03/13/2023 🔍
04/07/2023 +24 days 🔍
04/07/2023 +0 days 🔍
04/07/2023 +0 days 🔍
01/28/2025 +662 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213720
Researcher: Clément Lecigne
Status: Confirmed

CVE: CVE-2023-28206 (🔍)
GCVE (CVE): GCVE-0-2023-28206
GCVE (VulDB): GCVE-100-225324
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 04/07/2023 23:47
Updated: 01/28/2025 18:45
Changes: 04/07/2023 23:47 (19), 04/07/2023 23:50 (29), 04/26/2023 08:11 (2), 04/26/2023 08:15 (11), 04/28/2024 13:06 (23), 06/13/2024 01:25 (2), 09/09/2024 22:30 (2), 01/28/2025 18:45 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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