Apple iOS/iPadOS up to 16.2 WebKit memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$25k-$100k0.00

A vulnerability was found in Apple iOS and iPadOS up to 16.2 (Smartphone Operating System) and classified as critical. Affected by this issue is some unknown processing of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was presented 01/23/2023 by YeongHyeon Choi as HT213606 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2023-23517. 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 $5k-$25k at the moment (estimation calculated on 01/24/2023). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Processing maliciously crafted web content may lead to arbitrary code execution

Upgrading to version 16.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

The issue was addressed with improved memory handling.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
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 16.3

Timelineinfo

01/12/2023 🔍
01/23/2023 +11 days 🔍
01/23/2023 +0 days 🔍
01/24/2023 +1 days 🔍
02/18/2023 +25 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213606
Researcher: YeongHyeon Choi
Status: Confirmed

CVE: CVE-2023-23517 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 01/24/2023 11:02
Updated: 02/18/2023 16:33
Changes: 01/24/2023 11:02 (19), 01/24/2023 11:05 (28), 02/18/2023 16:33 (1)
Complete: 🔍

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