CVE-2019-17358 : Security Advisory and Response

Cacti versions 1.2.7 and earlier are vulnerable to multiple cases of unsafe deserialization of user-controlled data in lib/functions.php, allowing an authenticated attacker to manipulate object data values and control Cacti's actions. This could potentially lead to memory corruption in the PHP module.

Understanding CVE-2019-17358

Cacti through 1.2.7 is affected by multiple instances of lib/functions.php unsafe deserialization of user-controlled data to populate arrays. An authenticated attacker could use this to influence object data values and control actions taken by Cacti or potentially cause memory corruption in the PHP module.

What is CVE-2019-17358?

Vulnerability in Cacti versions 1.2.7 and earlier due to unsafe deserialization of user-controlled data
Allows authenticated attackers to manipulate object data values and control Cacti's actions
Potential risk of memory corruption in the PHP module

The Impact of CVE-2019-17358

CVSS Score: 7.5 (High)
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: Low
User Interaction: None
Scope: Unchanged
This vulnerability poses a significant risk to the confidentiality and integrity of affected systems.

Technical Details of CVE-2019-17358

Cacti versions 1.2.7 and earlier are susceptible to unsafe deserialization, potentially leading to memory corruption.

Vulnerability Description

Multiple cases of unsafe deserialization of user-controlled data in lib/functions.php
Allows manipulation of object data values and control over Cacti's actions

Affected Systems and Versions

Cacti versions 1.2.7 and earlier

Exploitation Mechanism

Authenticated attackers can exploit this vulnerability to influence object data values and potentially cause memory corruption in the PHP module

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2019-17358.

Immediate Steps to Take

Update Cacti to a patched version that addresses the vulnerability
Monitor for any unauthorized access or unusual activities on the system

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities
Implement strong authentication mechanisms and access controls

Patching and Updates

Apply security patches provided by Cacti to fix the unsafe deserialization vulnerability