Overview
CVE-2025-2502 is a significant security vulnerability that has been identified in Lenovo PC Manager. It could potentially allow local attackers to escalate their privileges due to improper default permissions. This vulnerability has far-reaching implications, as it could lead to system compromise or data leakage, thereby posing a significant threat to organizations’ cybersecurity. Given the severity of this vulnerability, it is of utmost importance that it is understood, addressed, and mitigated effectively.
Vulnerability Summary
CVE ID: CVE-2025-2502
Severity: High (CVSS score 7.8)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: System compromise or data leakage
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Product | Affected Versions
Lenovo PC Manager | All versions before the latest patch
How the Exploit Works
The improper default permissions vulnerability in Lenovo PC Manager is primarily due to the software’s flawed design, which permits local users to manipulate the software’s permissions. Once an attacker has gained basic user-level access to the system, they can exploit this vulnerability to elevate their privileges. This elevation of privileges can potentially allow the attacker to take control of the system or leak sensitive data.
Conceptual Example Code
Below is a conceptual example of how this vulnerability might be exploited. This example showcases how a local attacker might modify the default permissions of an application to gain high-level privileges.
# Obtain current permissions
ls -l /path/to/lenovo/pc/manager
# Exploit vulnerability to change permissions
chmod 777 /path/to/lenovo/pc/manager
# Verify changed permissions
ls -l /path/to/lenovo/pc/managerThis shell command example illustrates how an attacker could change the permissions of the Lenovo PC Manager, granting them full access to manipulate the software.
Mitigation Guidance
To mitigate this vulnerability, Lenovo has released a patch that users should apply immediately. This patch fixes the improper permissions, preventing potential attackers from exploiting this vulnerability. Until the patch can be applied, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can offer temporary protection by detecting and blocking suspicious activities. It is also recommended to always follow best practice principles of least privilege, ensuring that users and processes only have the minimum permissions necessary to carry out their tasks.
In conclusion, CVE-2025-2502 highlights the critical importance of proper permission settings in software design and the potential consequences of overlooking this aspect. As cybersecurity experts, we must always be vigilant and proactive in identifying, understanding, and mitigating such vulnerabilities to ensure the security and integrity of our digital assets.