CVE-2023-32434 (GCVE-0-2023-32434)

Vulnerability from cvelistv5 – Published: 2023-06-23 00:00 – Updated: 2025-10-21 23:05
VLAI CISA Previdian
Summary
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-09 17:44 UTC
CWE
  • An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
  • CWE-190 - Integer Overflow or Wraparound
Assigner
apple CNA under the mitre root
CNA scorecard E 37/100 over 906 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Apple macOS Affected: unspecified , < 12.6 (custom)
guessed Create a notification for this product.
Apple iOS and iPadOS Affected: unspecified , < 15.7 (custom)
guessed Create a notification for this product.
Apple iOS and iPadOS Affected: unspecified , < 16.5 (custom)
guessed Create a notification for this product.
Apple watchOS Affected: unspecified , < 8.8 (custom)
guessed Create a notification for this product.
Apple watchOS Affected: unspecified , < 9.5 (custom)
guessed Create a notification for this product.
Apple macOS Affected: unspecified , < 13.4 (custom)
guessed Create a notification for this product.
Apple macOS Affected: unspecified , < 11.7 (custom)
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 8ae351c7-437c-496f-a0e7-d745820f67b1

Vulnerability ID: CVE-2023-32434

Status: Confirmed

Status Updated: 2023-06-23 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-06-23
Asserted: 2023-06-23
Scope
Notes: Apple Multiple Products Integer Overflow Vulnerability | Affected: Apple / Multiple Products | Description: Apple iOS. iPadOS, macOS, and watchOS contain an integer overflow vulnerability that could allow an application to execute code with kernel privileges. | Required action: Apply updates per vendor instructions. | Due date: 2023-07-14 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.apple.com/en-us/HT213808, https://support.apple.com/en-us/HT213812, https://support.apple.com/en-us/HT213809, https://support.apple.com/en-us/HT213810, https://support.apple.com/en-us/HT213813, https://support.apple.com/en-us/HT213811, https://support.apple.com/en-us/HT213814; https://nvd.nist.gov/vuln/detail/CVE-2023-32434
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-190
Feed CISA Known Exploited Vulnerabilities Catalog
Product Multiple Products
Due Date 2023-07-14
Date Added 2023-06-23
Vendorproject Apple
Vulnerabilityname Apple Multiple Products Integer Overflow Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-11-04 13:36 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 416f00ee-3289-4c34-914c-8b2ac5aeef6b

Vulnerability ID: CVE-2023-32434

Status: Confirmed

Status Updated: 2023-06-23 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-06-23
Asserted: 2023-06-23
Scope
Notes: KEVIntel entry: An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS... | Affected: Apple / macOS, iOS and iPadOS, watchOS | CVSS: 7.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS...
Vendor Apple
Product macOS, iOS and iPadOS, watchOS
Added Date 2023-06-23T00:00:00.000Z
Cvss Score 7.8
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.