Apple watchOS up to 9.4 WebKit use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability was found in Apple watchOS up to 9.4 (Smartwatch Operating System). It has been rated as critical. This issue affects an unknown part of the component WebKit. 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 shared 05/18/2023 as HT213764 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2023-32373. It demands that the victim is doing some kind of user interaction. Technical details are unknown but an exploit is available. The advisory points out:

Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

It is declared as highly functional. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 05/22/2023 with a due date of 06/12/2023:

Apply updates per vendor instructions.

Upgrading to version 9.5 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.

The entries VDB-229581, VDB-229582, VDB-229583 and VDB-229584 are related to this item.

Productinfo

Type

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: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Local: No
Remote: Yes

Availability: 🔒
Status: Highly functional

EPSS Score: 🔒
EPSS Percentile: 🔒

KEV Added: 🔒
KEV Due: 🔒
KEV Remediation: 🔒
KEV Ransomware: 🔒
KEV Notice: 🔒

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: watchOS 9.5

Timelineinfo

05/08/2023 CVE reserved
05/18/2023 +10 days Advisory disclosed
05/18/2023 +0 days Countermeasure disclosed
05/20/2023 +2 days VulDB entry created
04/28/2024 +344 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: HT213764
Status: Confirmed

CVE: CVE-2023-32373 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔒

Entryinfo

Created: 05/20/2023 08:36
Updated: 04/28/2024 18:25
Changes: 05/20/2023 08:36 (2), 05/20/2023 08:37 (16), 05/20/2023 08:40 (27), 06/15/2023 11:06 (1), 04/28/2024 18:25 (26)
Complete: 🔍
Cache ID: 3:E6B:103

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