Overview
The vulnerability CVE-2025-24484 presents a significant security risk to users of the Intel 800 Series Ethernet, specifically those using a version before 1.17.2. This security flaw emerges due to improper input validation in the Linux kernel-mode driver. If this vulnerability is exploited, it could potentially enable an authenticated user to escalate their privilege via local access, leading to potential system compromise or data leakage. Given the widespread use of Intel’s ethernet series, this vulnerability could have far-reaching implications if left unaddressed.
Vulnerability Summary
CVE ID: CVE-2025-24484
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Intel 800 Series Ethernet | Before 1.17.2
How the Exploit Works
The exploit works by taking advantage of the improper input validation in the Intel 800 Series Ethernet driver. This flaw allows an authenticated user to submit crafted input data that the driver fails to properly validate. Once the flawed driver processes this crafted data, the system may unintentionally grant the user escalated privileges. This escalated access can then be used to compromise the system or leak sensitive data.
Conceptual Example Code
Here’s a conceptual example of how this vulnerability might be exploited. Note that this is a simplified representation and actual exploitation may involve more complex steps:
# Assume the attacker is already authenticated and has low-level access
$ echo 'crafted_input_data' > /dev/intel800series1
# The driver processes the input data and inadvertently escalates privileges
$ id
uid=0(root) gid=0(root) groups=0(root)In this example, the attacker crafts input data (`crafted_input_data`) that the vulnerable driver processes. The `echo` command sends this data to a device file associated with the Intel 800 Series Ethernet driver. The `id` command, executed after the crafted input data is processed, shows that the user has been escalated to root privileges.
Mitigation
To mitigate this vulnerability, users are advised to apply the vendor patch as soon as possible. If unable to apply the patch immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation. These systems can monitor and potentially block suspicious activities, providing an extra layer of protection until the patch can be applied.
