| code | #
# (C) Tenable Network Security, Inc.
#
# Script audit and contributions from Carmichael Security <http://www.carmichaelsecurity.com>
# Erik Anderson <[email protected]>
# This one script can and does test for numerous BugIDs and CVEs. Added reference
# links to all posted vulnerabilities with boundary lengths less than
# the currrent script value of 2048.
# All of these posted in the Bugtraq Database appear vulnerable (not tested).
# Links are current up to 11/16/2002
#
include("compat.inc");
if (description)
{
script_id(10184);
script_version("1.56");
script_cvs_date("Date: 2018/11/15 20:50:22");
script_cve_id("CVE-1999-0822", "CVE-2000-0091", "CVE-2001-0776", "CVE-2001-1046", "CVE-2002-0454", "CVE-2002-0799", "CVE-2002-1781");
script_bugtraq_id(2781, 2811, 4055, 4295, 4789, 790, 830, 942);
script_name(english:"Multiple Vendor POP3 Remote Overflows");
script_summary(english:"Attempts to overflow the in.pop3d buffers");
script_set_attribute(attribute:"synopsis", value:"Arbitrary code may be run on the remote server.");
script_set_attribute(attribute:"description", value:
"The remote POP3 server might be vulnerable to a buffer overflow bug
when it is issued at least one of these commands, with a too long
argument :
AUTH USER PASS
If confirmed, this problem might allow an attacker to execute
arbitrary code on the remote system.");
script_set_attribute(attribute:"solution", value:
"If you do not use POP3, disable this service. Otherwise, upgrade to a
newer version.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/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:"see_also", value:"http://web.archive.org/web/20030217185907/http://online.securityfocus.com:80/archive/1/27197");
script_set_attribute(attribute:"vuln_publication_date", value:"1999/11/30");
script_set_attribute(attribute:"plugin_publication_date", value:"1999/06/22");
script_set_attribute(attribute:"potential_vulnerability", value:"true");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_category(ACT_DESTRUCTIVE_ATTACK);
script_copyright(english:"This script is Copyright (C) 1999-2018 Tenable Network Security, Inc.");
script_family(english:"Gain a shell remotely");
script_dependencie("find_service1.nasl", "qpopper.nasl");
script_require_keys("Settings/ParanoidReport");
script_exclude_keys("global_settings/supplied_logins_only");
script_require_ports("Services/pop3", 110);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
if (report_paranoia < 2) audit(AUDIT_PARANOID);
if (supplied_logins_only) audit(AUDIT_SUPPLIED_LOGINS_ONLY);
to = get_read_timeout();
port = get_service(svc: "pop3", default: 110, exit_on_fail: 1);
fake = get_kb_item("pop3/"+port+"/false_pop3");
if(fake)exit(0);
soc = open_sock_tcp(port);
if (!soc) exit(0);
d = recv_line(socket:soc, length:1024);
if (!d || d !~ '^\\+OK') { close(soc); exit(0); } # Not a POP3 server
if ( egrep(pattern:"Qpopper.*4", string:d) ) exit(0);
c = strcat('AUTH ', crap(2048), '\r\n');
send(socket:soc, data:c);
d = recv_line(socket:soc, length:1024, timeout: 3*to);
if(!d)security_hole(port);
else {
if ( "-ERR Input buffer full, aborting" >< d ) exit(0, "Dovecot - not vulnerable");
c = strcat('USER ', crap(1024), '\r\n');
send(socket:soc, data:c);
d = recv_line(socket:soc, length:1024, timeout: 3*to);
if(!d)security_hole(port);
else
{
if ( "-ERR Input buffer full, aborting" >< d ) exit(0, "Dovecot - not vulnerable");
c = strcat('PASS ', crap(1024), '\r\n');
send(socket:soc, data:c);
d = recv_line(socket:soc, length:1024, timeout: 3*to);
if(!d)security_hole(port);
}
}
close(soc);
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