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Xymon versions 4.1.x, 4.2.x, and 4.3.x before 4.3.25 contain a path traversal vulnerability in xymond's handling of the config command. A remote attacker can use this command to read arbitrary files located within the Xymon configuration directory.
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This repository contains a single Metasploit auxiliary module (modules/auxiliary/gather/xymon_info.rb) designed to gather information from Xymon monitoring servers (formerly Hobbit, based on Big Brother). The module communicates with the Xymon daemon (xymond) over TCP port 1984, sending protocol commands to retrieve server configuration files, a list of monitored hosts, and client logs for each host. If the target is running a vulnerable version of Xymon (before 4.3.25) or is misconfigured with ALLOWALLCONFIGFILES enabled, the module can also extract usernames and password hashes from the xymonpasswd file (CVE-2016-2055). The module is written in Ruby and is intended for use within the Metasploit Framework. Its primary purpose is information gathering and credential extraction from vulnerable or misconfigured Xymon servers.
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