Overview
A critical vulnerability, CVE-2025-23294, has been identified in NVIDIA WebDataset. This vulnerability can potentially be exploited across all platforms, affecting a wide range of users and devices. The severity of this vulnerability is heightened by its capability to allow an attacker to execute arbitrary code with elevated permissions. This poses significant risk to system security, as it could lead to escalated privileges, data tampering, unauthorized information disclosure, and denial of service. As a result, the integrity, availability, and confidentiality of the system may be compromised.
Vulnerability Summary
CVE ID: CVE-2025-23294
Severity: High (7.8 CVSS score)
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: Successful exploit may result in escalation of privileges, data tampering, information disclosure, and denial of service.
Affected Products
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Product | Affected Versions
NVIDIA WebDataset | All Versions
How the Exploit Works
The vulnerability resides in the way NVIDIA WebDataset processes certain data. An attacker could craft malicious input that, when processed by WebDataset, could cause a buffer overflow error. This could lead to an overwriting of memory locations, which could then be used to execute arbitrary code with elevated permissions. The attacker could leverage this to escalate their privileges within the system, tamper with data, disclose sensitive information or bring about denial of service.
Conceptual Example Code
The following conceptual code shows an example of a malicious HTTP request an attacker might use to exploit this vulnerability:
POST /nvidia/webdataset/process HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"data": "<BUFFER OVERFLOW TRIGGERING DATA>"
}The “data” field in the request body contains the malicious input designed to trigger the buffer overflow vulnerability in the WebDataset process. This is a conceptual example and actual exploit code would depend on various factors such as the specific version of WebDataset and the target system’s configuration.
Mitigation Guidance
Until a patch is available from the vendor, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can offer temporary mitigation against potential exploits of this vulnerability. It is also strongly advised to monitor network logs for any suspicious activities. Once the patch is available, it should be applied immediately to all affected systems. Regularly updating and patching your systems is a fundamental part of maintaining strong cybersecurity hygiene.