CVE-2023-42299
Published: 02 November 2023
Summary
CVE-2023-42299 is a critical-severity Classic Buffer Overflow (CWE-120) vulnerability in Openimageio Openimageio. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 5.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2023-42299 is a buffer overflow vulnerability, tracked under CWE-120, that affects OpenImageIO oiio version 2.4.12.0. The flaw resides in the read_subimage_data function and carries a CVSS 3.1 base score of 9.8, reflecting network-accessible attack conditions with no required authentication or user interaction.
A remote attacker can supply a crafted image file that triggers the overflow during subimage data processing, enabling arbitrary code execution or denial of service. The attack requires only that the victim application parse the malicious input, which can occur through any workflow that loads untrusted images with the affected library.
The EPSS score for this CVE stands at 0.1585 with no material increase from its recorded peak, indicating steady but not sharply rising exploitation interest since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-46753
Vulnerability details
Buffer Overflow vulnerability in OpenImageIO oiio v.2.4.12.0 allows a remote attacker to execute arbitrary code and cause a denial of service via the read_subimage_data function.
- 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.
Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.