CVE-2023-25105 : What You Need to Know

This CVE-2023-25105 article provides insights into a critical vulnerability identified in the Milesight UR32L v32.3.0.5, leading to multiple buffer overflow vulnerabilities.

Understanding CVE-2023-25105

CVE-2023-25105 exposes vulnerabilities in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. This flaw allows for arbitrary code execution through specially crafted HTTP requests, posing a significant risk if exploited by an attacker with high privileges.

What is CVE-2023-25105?

CVE-2023-25105 involves multiple buffer overflow vulnerabilities in the set_ike_profile function of the affected product. The flaws enable an attacker to execute arbitrary code by sending malicious HTTP requests, potentially leading to severe consequences.

The Impact of CVE-2023-25105

The impact of CVE-2023-25105 is rated as high, with a CVSSv3.1 base score of 7.2. This vulnerability could be exploited by remote attackers to compromise confidentiality, integrity, and availability of the affected system, highlighting the critical nature of the issue.

Technical Details of CVE-2023-25105

In the context of CVE-2023-25105, it is essential to understand specific technical aspects surrounding the vulnerability, its affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 stems from a stack-based buffer overflow issue caused by an insecure sprintf pattern. By sending crafted HTTP requests, an attacker could trigger this vulnerability, potentially leading to arbitrary code execution and system compromise.

Affected Systems and Versions

The impacted system in this CVE is the Milesight UR32L running version v32.3.0.5. Users and administrators of this particular version are urged to take immediate action to mitigate the associated risks.

Exploitation Mechanism

The exploitation of CVE-2023-25105 involves an attacker sending specially crafted HTTP requests to the vulnerable set_ike_profile function. By leveraging the buffer overflow vulnerabilities, an attacker with high privileges could execute arbitrary code on the target system, posing a severe threat to its security.

Mitigation and Prevention

To address the security risks associated with CVE-2023-25105, employing effective mitigation and prevention strategies is crucial to safeguard vulnerable systems and prevent potential exploitation.

Immediate Steps to Take

Users and administrators should apply security patches and updates provided by Milesight promptly.
Implement network security measures to restrict access to the vulnerable component and reduce the risk of unauthorized exploitation.

Long-Term Security Practices

Regularly monitor security advisories from trusted sources to stay informed about emerging vulnerabilities.
Conduct periodic security assessments and penetration testing to identify and address potential security weaknesses proactively.

Patching and Updates

It is recommended to update the affected system to a non-vulnerable version or apply patches released by the vendor to mitigate the risk of exploitation.
Ensure that software and firmware updates are regularly applied to stay protected against known vulnerabilities and security threats.