| code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(21139);
script_version("1.13");
script_cvs_date("Date: 2018/11/15 20:50:27");
script_cve_id("CVE-2006-1792");
script_name(english:"MailEnable POP3 Server APOP Command Remote Buffer Overflow");
script_summary(english:"Tries to crash MailEnable POP3 Server");
script_set_attribute(attribute:"synopsis", value:
"The remote POP3 server is affected by a buffer overflow flaw." );
script_set_attribute(attribute:"description", value:
"The remote host is running MailEnable, a commercial mail server for
Windows.
The POP3 server bundled with the version of MailEnable on the remote
host has a buffer overflow flaw involving the APOP command that can be
exploited remotely by an unauthenticated attacker to crash the
affected service and possibly to execute code remotely." );
script_set_attribute(attribute:"see_also", value:"https://www.mailenable.com/forum/viewtopic.php?t=9845" );
script_set_attribute(attribute:"see_also", value:"http://www.mailenable.com/hotfix/default.aspx" );
script_set_attribute(attribute:"solution", value:
"Apply the ME-10012 hotfix or upgrade to MailEnable Standard Edition
1.94 / Professional Edition 1.74 / Enterprise Edition 1.22 or later." );
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_attribute(attribute:"plugin_publication_date", value: "2006/03/23");
script_set_attribute(attribute:"vuln_publication_date", value: "2006/03/23");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:mailenable:mailenable");
script_end_attributes();
script_category(ACT_ATTACK);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2006-2018 Tenable Network Security, Inc.");
script_dependencies("find_service_3digits.nasl", "doublecheck_std_services.nasl");
script_require_ports("Services/pop3", 110);
exit(0);
}
include("pop3_func.inc");
port = get_kb_item("Services/pop3");
if (!port) port = 110;
if (!get_port_state(port)) exit(0);
# Make sure banner's from MailEnable.
banner = get_pop3_banner(port:port);
if (!banner || "MailEnable POP3 Server" >!< banner) exit(0);
# Establish a connection
soc = open_sock_tcp(port);
if (!soc) exit(0);
# Make sure APOP is enabled.
s = recv_line(socket:soc, length:1024);
if (strlen(s) && egrep(pattern:"^\+OK .+ MailEnable POP3 Server <.+>", string:s))
{
# Send a long APOP command - the fix limits the length of the name to 0x4f
# so see what happens if we exceed it.
c = raw_string("APOP ", crap(0x50), " 056924d6c559cca2c64c2a38b030a588\r\n");
send(socket:soc, data:c);
s = recv_line(socket:soc, length:1024);
# Patched / newer versions report "-ERR Bad argument".
if ("-ERR Unable to log on" >< s) security_hole(port);
}
close(soc);
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