| code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(19193);
script_version("1.18");
script_cvs_date("Date: 2018/11/15 20:50:27");
script_cve_id("CVE-2005-2278");
script_bugtraq_id(14243);
script_name(english:"MailEnable IMAP STATUS Command Remote Overflow");
script_summary(english:"Checks for STATUS command buffer overflow in MailEnable's IMAP service");
script_set_attribute(attribute:"synopsis", value:
"The remote IMAP server is affected by a buffer overflow vulnerability." );
script_set_attribute(attribute:"description", value:
"The remote host is running a version of MailEnable's IMAP service
that is prone to a buffer overflow attack when processing a STATUS
command with a long mailbox name. Once authenticated, an attacker can
exploit this flaw to execute arbitrary code subject to the privileges
of the affected application." );
script_set_attribute(attribute:"see_also", value:"https://www.secureauth.com/?idx=467&idxseccion=10" );
script_set_attribute(attribute:"see_also", value:"https://seclists.org/bugtraq/2005/Jul/202" );
script_set_attribute(attribute:"solution", value:
"Upgrade to MailEnable Professional 1.6 or later or to MailEnable
Enterprise Edition 1.1 or later." );
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploit_framework_core", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'MailEnable IMAPD (1.54) STATUS Request Buffer Overflow');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"plugin_publication_date", value: "2005/07/14");
script_set_attribute(attribute:"patch_publication_date", value: "2005/06/30");
script_set_attribute(attribute:"vuln_publication_date", value: "2005/07/12");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:mailenable:mailenable");
script_end_attributes();
script_category(ACT_MIXED_ATTACK);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2005-2018 Tenable Network Security, Inc.");
script_dependencie("smtpserver_detect.nasl", "imap4_banner.nasl");
script_exclude_keys("imap/false_imap");
script_require_keys("imap/login", "imap/password");
script_require_ports("Services/smtp", 25, "Services/imap", 143);
exit(0);
}
include("global_settings.inc");
include("imap_func.inc");
include("smtp_func.inc");
port = get_kb_item("Services/imap");
if (!port) port = 143;
if (!get_port_state(port) || get_kb_item("imap/false_imap")) exit(0);
# Make sure the banner is for MailEnable.
banner = get_imap_banner(port:port);
if (!banner || "* OK IMAP4rev1 server ready" >!< banner) exit(0);
# If safe checks are enabled...
if (safe_checks()) {
# Check the version number from the SMTP server's banner.
smtp_port = get_kb_item("Services/smtp");
if (!smtp_port) port = 25;
if (!get_port_state(smtp_port)) exit(0);
if (get_kb_item('SMTP/'+smtp_port+'/broken')) exit(0);
banner = get_smtp_banner(port:port);
if (banner =~ "Mail(Enable| Enable SMTP) Service") {
# nb: Standard Edition seems to format version as "1.71--" (for 1.71),
# Professional Edition formats it like "0-1.2-" (for 1.2), and
# Enterprise Edition formats it like "0--1.1" (for 1.1).
ver = eregmatch(pattern:"Version: (0-+)?([0-9][^- ]+)-*", string:banner);
if (ver == NULL) {
exit(1, "cannot determine version of MailEnable's SMTP connector service");
}
if (ver[1] == NULL) {
edition = "Standard";
}
else if (ver[1] == "0-") {
edition = "Professional";
}
else if (ver[1] == "0--") {
edition = "Enterprise";
}
if (isnull(edition)) {
exit(1, "cannot determine edition of MailEnable's SMTP connector service");
}
ver = ver[2];
if (
# nb: Professional versions < 1.6 are vulnerable.
(edition == "Professional" && ver =~ "^1\.[0-5]") ||
# nb: Enterprise versions < 1.1 are vulnerable.
(edition == "Enterprise" && ver =~ "^1\.0")
) {
security_hole(port);
}
}
exit(0);
}
# Otherwise, try to exploit it.
else {
user = get_kb_item("imap/login");
pass = get_kb_item("imap/password");
if ((user == "") || (pass == "")) {
exit(0, "imap/login and/or imap/password are empty");
}
# Establish a connection.
tag = 0;
soc = open_sock_tcp(port);
if (!soc) exit(0);
# Read banner.
s = recv_line(socket:soc, length:1024);
if (!strlen(s)) {
close(soc);
exit(0);
}
# Log in.
++tag;
c = string("nessus", string(tag), " LOGIN ", user, " ", pass);
send(socket:soc, data:string(c, "\r\n"));
while (s = recv_line(socket:soc, length:1024)) {
s = chomp(s);
m = eregmatch(pattern:string("^nessus", string(tag), " (OK|BAD|NO)"), string:s, icase:TRUE);
if (!isnull(m)) {
resp = m[1];
break;
}
resp = "";
}
# If successful, try to exploit the flaw.
if (resp && resp =~ "OK") {
++tag;
c = string(
"nessus", string(tag),
' STATUS "', crap(10540), '" (UIDNEXT UIDVALIDITY MESSAGES UNSEEN RECENT)'
);
send(socket:soc, data:string(c, "\r\n"));
while (s = recv_line(socket:soc, length:1024)) {
s = chomp(s);
m = eregmatch(pattern:string("^nessus", string(tag), " (OK|BAD|NO)"), string:s, icase:TRUE);
if (!isnull(m)) {
resp = m[1];
break;
}
resp = "";
}
# If there's no response, make sure it's really down.
if (!s || !resp) {
# Try to reestablish a connection and read the banner.
soc2 = open_sock_tcp(port);
if (soc2) s2 = recv_line(socket:soc2, length:1024);
# If we couldn't establish the connection or read the banner,
# there's a problem.
if (!soc2 || !strlen(s2)) {
security_hole(port);
exit(0);
}
close(soc2);
}
}
# Else, let user know there was a problem with the credentials.
else if (resp && resp =~ "NO") {
debug_print("couldn't login with supplied IMAP credentials!", level:1);
}
# Be nice and logout if there's still a connection.
if (soc) {
++tag;
c = string("nessus", string(tag), " LOGOUT");
send(socket:soc, data:string(c, "\r\n"));
close(soc);
}
}
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