CVE-2023-49085 is a high-severity SQL Injection vulnerability in Cacti version 1.2.25 and prior, specifically in the pollers.php script. The vulnerability arises from improper sanitization of the 'dbhost' parameter, which is directly incorporated into SQL queries without adequate escaping. This allows an authorized user to inject and execute arbitrary SQL code, including multiqueries, via crafted HTTP POST requests to pollers.php. The vulnerability was demonstrated by Aleksey Solovev of Positive Technologies and is rated 8.8 (high) on the CVSS v3.1 scale. The root cause is improper neutralization of user input (CWE-89).
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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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