Apple iOS/iPadOS RSA PKCS Private Key channel accessible

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS. It has been classified as problematic. Affected is an unknown function of the component RSA PKCS Private Key Handler. This manipulation causes channel accessible. This vulnerability is tracked as CVE-2024-23218. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Apple iOS and iPadOS (Smartphone Operating System) (unknown version). Affected by this vulnerability is an unknown code block of the component RSA PKCS Private Key Handler. The manipulation with an unknown input leads to a channel accessible vulnerability. The CWE definition for the vulnerability is CWE-300. The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequately ensure the integrity of the channel, in a way that allows the channel to be accessed or influenced by an actor that is not an endpoint. As an impact it is known to affect availability. The summary by CVE is:

A timing side-channel issue was addressed with improvements to constant-time computation in cryptographic functions. This issue is fixed in iOS 16.7.6 and iPadOS 16.7.6, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.4, macOS Sonoma 14.3, macOS Ventura 13.6.5, tvOS 17.3, watchOS 10.3. An attacker may be able to decrypt legacy RSA PKCS#1 v1.5 ciphertexts without having the private key.

The weakness was disclosed 01/23/2024. It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2024-23218 since 01/12/2024. 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 04/02/2026). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1557 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-20737). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

ADP CISA Base Score: 5.9
ADP CISA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Channel accessible
CWE: CWE-300
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2024 🔍
01/23/2024 +11 days 🔍
01/23/2024 +0 days 🔍
04/02/2026 +800 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2024-23218 (🔍)
GCVE (CVE): GCVE-0-2024-23218
GCVE (VulDB): GCVE-100-251767
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 01/23/2024 07:13
Updated: 04/02/2026 23:44
Changes: 01/23/2024 07:13 (40), 02/16/2024 14:56 (11), 06/04/2025 18:14 (16), 06/04/2025 20:05 (1), 04/02/2026 23:44 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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