Overview
The vulnerability, identified as CVE-2025-20003, affects the Intel(R) Graphics Driver software installers. It is a potentially critical issue, given its severity ranking of 8.2 on the Common Vulnerability Scoring System (CVSS). Its exploitation could lead to an escalation of privilege by an authenticated user via local access. This could potentially lead to system compromise and data leakage. This vulnerability matters because of the widespread use of Intel’s Graphics Driver software, which could make a significant number of systems and data at risk.
Vulnerability Summary
CVE ID: CVE-2025-20003
Severity: High (CVSS score: 8.2)
Attack Vector: Local Access
Privileges Required: User
User Interaction: Required
Impact: System Compromise and Data Leakage
Affected Products
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Product | Affected Versions
Intel(R) Graphics Driver software | To be confirmed
How the Exploit Works
The vulnerability stems from ‘Link Following’, a process where an improper link resolution occurs before file access in some Intel(R) Graphics Driver software installers. In this case, an attacker with authenticated local access could exploit this vulnerability by manipulating symbolic links in a way that allows them to redirect system operations and escalate their privilege level. This could lead to unauthorized access to system resources or sensitive data.
Conceptual Example Code
The following conceptual shell command represents a possible exploitation method:
# Attacker creates a symbolic link to a sensitive file
ln -s /etc/shadow /tmp/vulnerable_link
# Attacker triggers the vulnerable application to read the link
/usr/bin/vulnerable_app /tmp/vulnerable_linkIn this example, the attacker manipulates the application into reading the symbolic link (/tmp/vulnerable_link), which points to a sensitive file (/etc/shadow). This allows the attacker to potentially read or modify the sensitive file, leading to a privilege escalation.
Mitigation and Countermeasures
The primary mitigation strategy is to apply the official patch provided by Intel. Until the patch can be applied, it is recommended to use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as temporary mitigation. Additionally, limiting system access to trusted users can help prevent the exploit. It’s also advisable to regularly update all software and maintain a robust, multi-layered cybersecurity strategy to protect against potential vulnerabilities.