CVE-2023-38233
Published: 10 August 2023
Summary
CVE-2023-38233 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Apple Macos. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 9.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Adobe Acrobat Reader versions 23.003.20244 and earlier, along with versions 20.005.30467 and earlier, contain an out-of-bounds write vulnerability tracked as CVE-2023-38233 and CWE-787. The flaw carries a CVSS 3.1 score of 7.8 and can permit arbitrary code execution in the context of the current user when triggered.
Exploitation requires an attacker to supply a malicious file that the victim must open; successful abuse grants the attacker full control over confidentiality, integrity, and availability on the affected system without needing prior authentication or elevated privileges.
Adobe has published mitigation guidance and patch information in security advisory APSB23-30, available at https://helpx.adobe.com/security/products/acrobat/apsb23-30.html. The associated EPSS score has remained flat at a peak of 0.0537 since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-42053
Vulnerability details
Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in…
more
that a victim must open a malicious file.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
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.