Advisory Details

August 20th, 2025

(Pwn2Own) NVIDIA Triton Inference Server LoadFromSharedMemory Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-25-850
ZDI-CAN-27249

CVE ID CVE-2025-23333
CVSS SCORE 5.9, AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS NVIDIA
AFFECTED PRODUCTS Triton Inference Server
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of NVIDIA Triton Inference Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the LoadFromSharedMemory function. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

ADDITIONAL DETAILS NVIDIA has issued an update to correct this vulnerability. More details can be found at:
https://nvidia.custhelp.com/app/answers/detail/a_id/5687
DISCLOSURE TIMELINE
  • 2025-07-08 - Vulnerability reported to vendor
  • 2025-08-20 - Coordinated public release of advisory
  • 2025-08-20 - Advisory Updated
CREDIT Ho Xuan Ninh (@izx) + Tri Dang (Sea Security)
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