Apple iOS/iPadOS Web type confusion

CVSS Meta Temp Score
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CTI Interest Score
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7.1$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple iOS and iPadOS. This affects an unknown part of the component Web Handler. The manipulation leads to type confusion. This vulnerability is traded as CVE-2024-54505. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS (affected version not known) and classified as critical. This issue affects some unknown functionality of the component Web Handler. The manipulation with an unknown input leads to a type confusion vulnerability. Using CWE to declare the problem leads to CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 18.2, iOS 18.2 and iPadOS 18.2, iPadOS 17.7.3, macOS Sequoia 15.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. Processing maliciously crafted web content may lead to memory corruption.

It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2024-54505 since 12/03/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/08/2026).

The vulnerability scanner Nessus provides a plugin with the ID 213311 (Fedora 41 : webkitgtk (2024-32bc143584)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (213311) and CERT Bund (WID-SEC-2024-3692). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Apple macOS

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

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

NVD Base Score: 8.8
NVD Vector: 🔍

ADP CISA Base Score: 6.5
ADP CISA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Type confusion
CWE: CWE-843
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 213311
Nessus Name: Fedora 41 : webkitgtk (2024-32bc143584)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/03/2024 🔍
12/12/2024 +9 days 🔍
12/12/2024 +0 days 🔍
04/08/2026 +482 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2024-54505 (🔍)
GCVE (CVE): GCVE-0-2024-54505
GCVE (VulDB): GCVE-100-288059
CERT Bund: WID-SEC-2024-3692 - Apple macOS: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/12/2024 07:48
Updated: 04/08/2026 03:08
Changes: 12/12/2024 07:48 (54), 12/21/2024 11:41 (2), 02/18/2025 04:01 (3), 08/30/2025 18:20 (7), 04/08/2026 03:08 (22)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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