CVE-2023-34096 Explained : Impact and Mitigation

Thruk has a Path Traversal Vulnerability in the

panorama.pm

file, allowing attackers to upload files to directories with write permissions, affecting versions prior to 3.06.2.

Understanding CVE-2023-34096

Thruk, a multibackend monitoring webinterface for systems like Naemon, Icinga, Shinken, and Nagios, is susceptible to a Path Traversal flaw in

panorama.pm

.

What is CVE-2023-34096?

In Thruk versions 3.06 and earlier, the unfiltered

location

parameter in

panorama.pm

enables unauthorized file uploads to writable directories, facilitating the exploitation of the system with minimal characters.

The Impact of CVE-2023-34096

The vulnerability allows malicious actors to carry out path traversal attacks, compromising the integrity of the affected systems by uploading files to arbitrary directories without proper validation.

Technical Details of CVE-2023-34096

The vulnerability lies in the lack of input validation for the

location

parameter in

panorama.pm

, leading to unauthorized file uploads.

Vulnerability Description

The flaw permits threat actors to upload files to folders with write permissions by exploiting the unfiltered

location

parameter, posing a risk to system integrity.

Affected Systems and Versions

Thruk versions earlier than 3.06.2 are impacted by this vulnerability, exposing systems to potential path traversal attacks.

Exploitation Mechanism

Attackers can abuse the unfiltered

location

parameter in

panorama.pm

to upload files using minimal characters like dots and slashes, bypassing directory restrictions.

Mitigation and Prevention

To address CVE-2023-34096, immediate action is necessary to prevent unauthorized file uploads and enhance system security.

Immediate Steps to Take

Upgrade Thruk to version 3.06.2 or newer to mitigate the Path Traversal vulnerability and prevent unauthorized file uploads.

Long-Term Security Practices

Implement stringent input validation measures and access controls to thwart path traversal attacks and maintain system integrity.

Patching and Updates

Regularly apply software patches and updates to address security vulnerabilities like Path Traversal in Thruk's

panorama.pm

file.