CVE-2023-6895 : What You Need to Know

This CVE record pertains to a critical vulnerability identified in the Hikvision Intercom Broadcasting System 3.0.3_20201113_RELEASE(HIK) that allows for OS command injection via the file /php/ping.php.

Understanding CVE-2023-6895

This section delves into the details of the CVE-2023-6895 vulnerability in the Hikvision Intercom Broadcasting System.

What is CVE-2023-6895?

The vulnerability in question affects the Hikvision Intercom Broadcasting System version 3.0.3_20201113_RELEASE(HIK). By manipulating the input argument jsondata[ip] using the command netstat -ano, attackers can execute OS commands, posing a significant risk. The exploit for this vulnerability has been publicly disclosed. Upgrading to version 4.1.0 is advised to mitigate this issue.

The Impact of CVE-2023-6895

With a CVSSv3.1 base score of 6.3 (Medium severity), this vulnerability could potentially allow attackers to execute arbitrary OS commands, leading to unauthorized access, data theft, and further compromise of the system's confidentiality, integrity, and availability.

Technical Details of CVE-2023-6895

In this section, we explore the technical aspects of the CVE-2023-6895 vulnerability.

Vulnerability Description

The vulnerability enables OS command injection in the Hikvision Intercom Broadcasting System 3.0.3_20201113_RELEASE(HIK) via the /php/ping.php file, specifically through manipulation of the jsondata[ip] argument.

Affected Systems and Versions

The issue affects the Hikvision Intercom Broadcasting System version 3.0.3_20201113_RELEASE(HIK).

Exploitation Mechanism

By inputting crafted data into the jsondata[ip] field using the netstat -ano command, threat actors can exploit the vulnerability for malicious purposes.

Mitigation and Prevention

To address the CVE-2023-6895 vulnerability and enhance system security, the following steps are recommended:

Immediate Steps to Take

Upgrade the affected Hikvision Intercom Broadcasting System to version 4.1.0 to eliminate the vulnerability.

Long-Term Security Practices

Implement strong input validation and output encoding techniques to prevent command injection attacks.
Regularly monitor and audit for unusual activities within the system.

Patching and Updates

Stay updated with security patches and advisories provided by Hikvision to address emerging vulnerabilities and protect against potential threats.