Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSummary
CVE-2023-32435 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Apple Ipados. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 2% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
A memory corruption vulnerability exists in Apple's web content processing components due to insufficient state management. It affects macOS Ventura prior to version 13.3, Safari prior to 16.4, iOS and iPadOS prior to 16.4, and iOS and iPadOS prior to 15.7.7. The flaw is assigned CWE-787 and carries a CVSS 3.1 score of 8.8.
An unauthenticated remote attacker can exploit the issue by causing a victim to process malicious web content in an affected browser or operating system version, resulting in arbitrary code execution.
Apple security advisories for the listed updates state that the vulnerability is resolved by improved state management in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, and iOS 15.7.7 and iPadOS 15.7.7.
Apple has reported that the issue may have been actively exploited in the wild against versions of iOS released before iOS 15.7. The current EPSS score stands at 0.0042.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-36679
Vulnerability Data
A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.7 and iPadOS 15.7.7. Processing web content may lead to arbitrary code execution. Apple…
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is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
- CWE(s)
- KEV Date Added
- 23 June 2023
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure-development practices (static analysis, bounds checking, code review) are the primary means of preventing out-of-bounds writes.
Vulnerability scanning and recording can discover out-of-bounds write flaws so they can be remediated.
Patching or replacing vulnerable software directly eliminates known instances of this coding weakness.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing in development and acceptance can detect and prevent out-of-bounds write defects.
Secure development life cycle mandates practices that prevent out-of-bounds writes.
Application security requirements can specify bounds-checking and safe memory handling.
Secure architecture and engineering principles reduce the likelihood of buffer overflows.
Secure coding directly addresses out-of-bounds writes through language choice and coding standards.
Change management can enforce review gates that catch unsafe memory operations before deployment.