CVE-2024-23218

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Summary

CVECVE-2024-23218
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-01-23 01:15:11 UTC
Updated2026-04-02 19:16:58 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.001930000 probability, percentile 0.412040000 (date 2026-04-07)

Problem Types: CWE-203 | An attacker may be able to decrypt legacy RSA PKCS#1 v1.5 ciphertexts without having the private key | CWE-203 CWE-203 Observable Discrepancy

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1ADPDECLARED5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Ipados All All All All
Operating System Apple Iphone Os All All All All
Operating System Apple Macos All All All All
Operating System Apple Tvos All All All All
Operating System Apple Watchos All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apple IOS And IPadOS affected 16.7.6 custom Not specified
CNA Apple IOS And IPadOS affected 17.3 custom Not specified
CNA Apple MacOS affected 12.7.4 custom Not specified
CNA Apple MacOS affected 13.6.5 custom Not specified
CNA Apple MacOS affected 14.3 custom Not specified
CNA Apple TvOS affected 17.3 custom Not specified
CNA Apple WatchOS affected 10.3 custom Not specified

References

ReferenceSourceLinkTags
support.apple.com/kb/HT214085 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
Full Disclosure: APPLE-SA-01-22-2024-8 watchOS 10.3 af854a3a-2127-422b-91ae-364da2661108 seclists.org Third Party Advisory
Full Disclosure: APPLE-SA-01-22-2024-9 tvOS 17.3 af854a3a-2127-422b-91ae-364da2661108 seclists.org Third Party Advisory
support.apple.com/en-us/HT214055 af854a3a-2127-422b-91ae-364da2661108 support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/120306 [email protected] support.apple.com
support.apple.com/en-us/120304 [email protected] support.apple.com
support.apple.com/en-us/120309 [email protected] support.apple.com
support.apple.com/kb/HT214055 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
support.apple.com/kb/HT214083 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
support.apple.com/kb/HT214059 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
seclists.org/fulldisclosure/2024/Jan/33 af854a3a-2127-422b-91ae-364da2661108 seclists.org Third Party Advisory
support.apple.com/en-us/120884 [email protected] support.apple.com
support.apple.com/kb/HT214082 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
support.apple.com/kb/HT214061 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
seclists.org/fulldisclosure/2024/Mar/22 af854a3a-2127-422b-91ae-364da2661108 seclists.org
support.apple.com/en-us/120886 [email protected] support.apple.com
support.apple.com/en-us/120311 [email protected] support.apple.com
support.apple.com/en-us/HT214061 af854a3a-2127-422b-91ae-364da2661108 support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/120880 [email protected] support.apple.com
Full Disclosure: APPLE-SA-01-22-2024-5 macOS Sonoma 14.3 af854a3a-2127-422b-91ae-364da2661108 seclists.org Third Party Advisory
seclists.org/fulldisclosure/2024/Mar/23 af854a3a-2127-422b-91ae-364da2661108 seclists.org
support.apple.com/en-us/HT214060 af854a3a-2127-422b-91ae-364da2661108 support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/HT214059 af854a3a-2127-422b-91ae-364da2661108 support.apple.com Release Notes, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 379299 Apple macOS Sonoma 14.3 Not Installed (HT214061)
  • 379476 Apple macOS Ventura 13.6.5 Not Installed (HT214085)
  • 379477 Apple macOS Monterey 12.7.4 Not Installed (HT214083)
  • 610538 Apple iOS 17.3 and iPadOS 17.3 Security Update Missing (HT214059)
  • 610550 Apple iOS 16.7.6 and iPadOS 16.7.6 Security Update Missing
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