CVEs / CVE-2023-32434
CVE-2023-32434: Apple Multiple Products Integer Overflow Vulnerability
- Known exploited in the CISA KEV catalog since 23 Jun 2023
- high 7.8 CVSS 3.1 (NVD)
- EPSS 51.5% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Apple iOS. iPadOS, macOS, and watchOS contain an integer overflow vulnerability that could allow an application to execute code with kernel privileges.
Description
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | from unspecified, before 12.6 | 12.6 |
| Apple iOS and iPadOS | from unspecified, before 15.7 | 15.7 |
| Apple iOS and iPadOS | from unspecified, before 16.5 | 16.5 |
| Apple watchOS | from unspecified, before 8.8 | 8.8 |
| Apple watchOS | from unspecified, before 9.5 | 9.5 |
| Apple macOS | from unspecified, before 13.4 | 13.4 |
| Apple macOS | from unspecified, before 11.7 | 11.7 |
Exploitation
| In CISA KEV since | 23 Jun 2023 |
|---|---|
| Due date for US federal agencies | 14 Jul 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-190 |
References
- CVE-2023-32434 on NVD
- CVE-2023-32434 in the CISA KEV catalog
- https://support.apple.com/en-us/HT213808 (cited by CISA)
- https://support.apple.com/en-us/HT213812 (cited by CISA)
- https://support.apple.com/en-us/HT213809 (cited by CISA)
- https://support.apple.com/en-us/HT213810 (cited by CISA)
- https://support.apple.com/en-us/HT213813 (cited by CISA)
- https://support.apple.com/en-us/HT213811 (cited by CISA)
- https://support.apple.com/en-us/HT213814 (cited by CISA)
- http://seclists.org/fulldisclosure/2023/Oct/20 Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT213808 Vendor Advisory
- https://support.apple.com/en-us/HT213809 Vendor Advisory
- https://support.apple.com/en-us/HT213810 Vendor Advisory
- https://support.apple.com/en-us/HT213811 Vendor Advisory
- https://support.apple.com/en-us/HT213812 Vendor Advisory
- https://support.apple.com/en-us/HT213813 Vendor Advisory
- https://support.apple.com/en-us/HT213814 Vendor Advisory
- https://support.apple.com/kb/HT213990 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.