5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.013 Low
EPSS
Percentile
86.1%
The remote pop3 server seems vulnerable to a buffer overflow when issued a very long user name (10,000 chars)
This may allow an attacker to execute arbitrary commands as root on the remote POP3 server.
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if(description)
{
script_id(10206);
script_version ("1.28");
script_cve_id("CVE-2000-0060");
script_bugtraq_id(894);
script_name(english: "Rover POP3 Server Username Remote Overflow");
script_set_attribute(attribute:"synopsis", value:
"It might be possible to run arbitrary code on the remote server." );
script_set_attribute(attribute:"description", value:
"The remote pop3 server seems vulnerable to a buffer overflow when
issued a very long user name (10,000 chars)
This *may* allow an attacker to execute arbitrary commands
as root on the remote POP3 server." );
script_set_attribute(attribute:"solution", value:
"Contact your vendor about this vulnerability and ask for a patch." );
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:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_publication_date", value: "2000/01/03");
script_set_attribute(attribute:"vuln_publication_date", value: "1999/12/27");
script_cvs_date("Date: 2018/07/30 11:55:11");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_summary(english: "Attempts to overflow the pop3d buffers");
script_category(ACT_DESTRUCTIVE_ATTACK);
script_copyright(english:"This script is Copyright (C) 2000-2018 Tenable Network Security, Inc.");
script_family(english: "Gain a shell remotely");
script_dependencie("find_service1.nasl", "qpopper.nasl");
script_exclude_keys("global_settings/supplied_logins_only");
script_require_ports("Services/pop3", 110);
exit(0);
}
#
# The script code starts here
#
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
if (supplied_logins_only) audit(AUDIT_SUPPLIED_LOGINS_ONLY);
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(1);
r = recv_line(socket:soc, length:4096);
if(!r)exit(0);
if ( "rover" >!< tolower(r)) exit(0);
c = string("USER ", crap(10000), "\r\n");
send(socket:soc, data:c);
d = recv_line(socket:soc, length:1024);
c = string("PASS ", crap(2000), "\r\n");
send(socket:soc, data:c);
d = recv_line(socket:soc, length:1024);
if(!d)
{
security_hole(port);
}
else {
if (service_is_dead(port: port) > 0)
security_hole(port);
}
close(soc);