CVE-2023-3217
Published: 13 June 2023
Summary
CVE-2023-3217 is a high-severity Use After Free (CWE-416) vulnerability in Debian Debian Linux. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 5.2% 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-2023-3217 is a use-after-free vulnerability in the WebXR component of Google Chrome versions prior to 114.0.5735.133. The flaw, assigned CWE-416 and rated High severity by Chromium, can result in heap corruption when processing a specially crafted HTML page.
A remote attacker can exploit the issue by convincing a user to visit a malicious webpage, after which successful exploitation may allow arbitrary code execution with the privileges of the browser process. The CVSS 3.1 score of 8.8 reflects network attack vector, low complexity, and no required privileges beyond user interaction.
Chrome stable channel updates released on 13 June 2023 address the vulnerability, and downstream distributions such as Fedora have issued corresponding package updates. A proof-of-concept targeting the OpenXrApiWrapper::InitSession function has been published, indicating public exploit development following disclosure. The associated EPSS score has remained in the 0.15–0.17 range without a pronounced post-disclosure increase.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-43895
Vulnerability details
Use after free in WebXR in Google Chrome prior to 114.0.5735.133 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
- 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.
Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.