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CVE-2023-49084 is a critical vulnerability in Cacti version 1.2.25, specifically in the link.php component. The vulnerability arises from a combination of SQL Injection and Local File Inclusion (LFI) due to improper sanitization of user-controlled input used in file include statements. An authenticated attacker with high privileges can inject arbitrary PHP code into a log file (cacti.log) via error-based SQL Injection, and then trigger its execution by manipulating the file path through the contentfile field, bypassing directory traversal protections. This allows for remote code execution on the server.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module: modules/exploits/multi/http/cacti_pollers_sqli_rce.rb. The module exploits two vulnerabilities in Cacti (CVE-2023-49085: SQL injection, and CVE-2023-49084: local file inclusion) to achieve remote command execution (RCE) on Cacti installations prior to version 1.2.26. The exploit requires valid credentials for a user with access to pollers.php. The module first checks the Cacti version, logs in, and then uses a time-based blind SQL injection to poison the log file with PHP code. It then triggers the payload via a crafted HTTP request to link.php, resulting in arbitrary command execution. The module supports both Linux and Windows targets and provides cleanup routines to remove traces of exploitation. The main endpoints targeted are /cacti/pollers.php (for SQLi), /cacti/index.php (for version check and login), and /cacti/link.php (to trigger the payload). The exploit is weaponized, as it is part of the Metasploit framework and allows for customizable command execution payloads.
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