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SQL Injection vulnerability when retrieving graphs using Automation API

High
netniV published GHSA-vjph-r677-6pcc May 12, 2024

Package

Cacti (PHP)

Affected versions

<= 1.2.26

Patched versions

1.2.27

Description

Summary

A SQL injection vulnerability in automation_get_new_graphs_sql function of api_automation.php allows authenticated users to exploit these SQL injection vulnerabilities to perform privilege escalation and remote code execution.

Details

In

$sql_having = build_graph_object_sql_having($rule, get_request_var('filter'));
, The get_request_var('filter') is being concatenated into the SQL statement without any sanitization. In
'filter' => FILTER_DEFAULT,
, The filter of 'filter' is FILTER_DEFAULT, which means there is no filter for it.

PoC

Create a rule in automation_graph_rules.php like this:

image

Visit http://localhost/cacti/automation_graph_rules.php?action=edit&id=2&page=1&filter=%25%22);select%20sleep(10)--+)

image

image

Severity

High
8.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE ID

CVE-2024-31445

Weaknesses

Credits