Apple iOS/iPadOS up to 16.5.1 Kernel use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple iOS and iPadOS up to 16.5.1. This affects an unknown function of the component Kernel. Such manipulation leads to use after free. This vulnerability is listed as CVE-2023-35993. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS and iPadOS up to 16.5.1 (Smartphone Operating System). Affected by this issue is an unknown function of the component Kernel. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was presented 07/24/2023 by Kaitao Xie and Xiaolong Bai as HT213841 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2023-35993. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 08/16/2023). 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

Upgrading to version 16.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A use-after-free issue was addressed with improved memory management.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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 16.6

Timelineinfo

07/20/2023 🔍
07/24/2023 +4 days 🔍
07/24/2023 +0 days 🔍
07/25/2023 +1 days 🔍
08/16/2023 +22 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213841
Researcher: Kaitao Xie, Xiaolong Bai
Status: Confirmed

CVE: CVE-2023-35993 (🔍)
GCVE (CVE): GCVE-0-2023-35993
GCVE (VulDB): GCVE-100-235298
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 07/25/2023 11:15
Updated: 08/16/2023 17:00
Changes: 07/25/2023 11:15 (19), 07/25/2023 11:19 (28), 08/16/2023 16:52 (2), 08/16/2023 17:00 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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