Directory traversal vulnerability in the NMS server in Alcatel-Lucent OmniVista 4760 R5.1.06.03 and earlier allows remote attackers to read arbitrary files via directory traversal sequences in HTTP GET requests, related to the lang variable.

An issue was discovered on Alcatel-Lucent OmniVista 8770 devices before 4.1.2. An authenticated remote attacker, with elevated privileges in the Web Directory component on port 389, may upload a PHP file to achieve Remote Code Execution as SYSTEM.

An issue was discovered on Alcatel-Lucent OmniVista 4760 devices, and 8770 devices before 4.1.2. An incorrect web server configuration allows a remote unauthenticated attacker to retrieve the content of its own session files. Every session file contains the administrative LDAP credentials encoded in a reversible format. Sessions are stored in /sessions/sess<sessionid>.