Network Vulnerability Assessment Report
06.07.2002
Sorted by host names

Session name: quasar.netStart Time:06.07.2002 13:25:33
Finish Time:06.07.2002 14:18:52
Elapsed:0 day(s) 00:53:19
Total records generated:45
high severity:3
low severity:31
informational:11


Summary of scanned hosts

HostHolesWarningsOpen portsState
199.166.31.333111Finished


199.166.31.3

ServiceSeverityDescription
rtsserv (2500/tcp)
Info
Port is open
ssh (22/tcp)
Info
Port is open
smtp (25/tcp)
Info
Port is open
whois (43/tcp)
Info
Port is open
domain (53/tcp)
Info
Port is open
http (80/tcp)
Info
Port is open
pop-3 (110/tcp)
Info
Port is open
auth (113/tcp)
Info
Port is open
imap2 (143/tcp)
Info
Port is open
https (443/tcp)
Info
Port is open
ftp (21/tcp)
Info
Port is open
imap2 (143/tcp)
High

The remote UW-IMAP server seems to be vulnerable to various
buffer overflow which allow an authenticated user to gain
a shell on this host.

An attacker may use this flaw to escalate his privileges.

*** Nessus solely relied on the server banner to
*** issue this warning.

Solution : Upgrade to the latest version of UW-IMAP
Risk factor : High
CVE : CAN-1999-1224
imap2 (143/tcp)
High

There is a buffer overflow in the remote imap server
which allows an authenticated user to obtain a remote
shell.

By supplying an overly long tag the the BODY command,
an attacker may gain a shell on this host.

Solution : Upgrade to imap-2001a
Risk factor : Serious
CVE : CAN-2002-0379
http (80/tcp)
High
'cgiwrap' is installed. This CGI has
a well known security flaw that lets anyone execute arbitrary
commands with the privileges of the http daemon (root or nobody).

*** Note that all versions of cgiwrap are not affected
*** by this problem ! Consult your vendor.

Solution : remove it from /cgi-bin.

Risk factor : Serious
CVE : CVE-1999-1530
smtp (25/tcp)
Low
a SMTP server is running on this port
Here is its banner :
220 blackhole.quasar.net ESMTP Sendmail 8.12.1/8.12.1/Debian -2
Sat, 6 Jul 2002 14:02:00 -0400
(No UCE/UBE) logging access from: ip68-99-108-41.hr.hr.cox.net(OK)-ip68-99-108-41.hr.hr.cox.net [68.99.108.41]
ssh (22/tcp)
Low
a ssh server is running on this port
imap2 (143/tcp)
Low
an IMAP server is running on this port
https (443/tcp)
Low
A TLSv1 server answered on this port
rtsserv (2500/tcp)
Low
a SMTP server is running on this port
Here is its banner :
220 blackhole.quasar.net ESMTP Sendmail 8.12.1/8.12.1/Debian -2
Sat, 6 Jul 2002 14:03:01 -0400
(No UCE/UBE) logging access from: ip68-99-108-41.hr.hr.cox.net(OK)-ip68-99-108-41.hr.hr.cox.net [68.99.108.41]
ftp (21/tcp)
Low
a FTP server is running on this port.
Here is its banner :
220 ProFTPD 1.2.4 Server ready.
http (80/tcp)
Low
a web server is running on this port
general/tcp
Low

Nmap did not do a UDP scan, I guess.
pop-3 (110/tcp)
Low
a pop3 server is running on this port
domain (53/tcp)
Low
The remote bind version is : 8.3.1-REL-NOESW
ssh (22/tcp)
Low
Remote SSH version : SSH-2.0-OpenSSH_3.4p1 Debian 1:3.4p1-0.0potato1
smtp (25/tcp)
Low
Remote SMTP server banner :
blackhole.quasar.net ESMTP Sendmail 8.12.1/8.12.1/Debian -2
Sat, 6 Jul 2002 14:05:22 -0400
(No UCE/UBE) logging access from: ip68-99-108-41.hr.hr.cox.net(OK)-ip68-99-108-41.hr.hr.cox.net [68.99.108.41]
502 5.3.0 Sendmail 8.12.1 -- HELP not implemented
general/tcp
Low
QueSO has found out that the remote host OS is
* Standard: Solaris 2.x, Linux 2.1.???, Linux 2.2, MacOS


CVE : CAN-1999-0454
rtsserv (2500/tcp)
Low
Remote SMTP server banner :
blackhole.quasar.net ESMTP Sendmail 8.12.1/8.12.1/Debian -2
Sat, 6 Jul 2002 14:05:24 -0400
(No UCE/UBE) logging access from: ip68-99-108-41.hr.hr.cox.net(OK)-ip68-99-108-41.hr.hr.cox.net [68.99.108.41]
502 5.3.0 Sendmail 8.12.1 -- HELP not implemented
ssh (22/tcp)
Low
The remote SSH daemon supports the following versions of the
SSH protocol :

. 1.99
. 2.0
general/tcp
Low
The plugin PC_anywhere_tcp.nasl was too slow to finish - the server killed it
auth (113/tcp)
Low
The 'ident' service provides sensitive information
to potential attackers. It mainly says which accounts are running which
services. This helps attackers to focus on valuable services [those
owned by root]. If you don't use this service, disable it.

Risk factor : Low

Solution : comment out the 'auth' or 'ident' line in /etc/inetd.conf
CVE : CAN-1999-0629
domain (53/tcp)
Low

The remote name server allows recursive queries to be performed
by the host running nessusd.

If this is your internal nameserver, then forget this warning.

If you are probing a remote nameserver, then it allows anyone
to use it to resolve third parties names (such as www.nessus.org).
This allows hackers to do cache poisoning attacks against this
nameserver.


Solution : Restrict recursive queries to the hosts that should
use this nameserver (such as those of the LAN connected to it).
If you are using bind 8, you can do this by using the instruction
'allow-recursion' in the 'options' section of your named.conf

If you are using another name server, consult its documentation.

Risk factor : Serious
CVE : CVE-1999-0024
ftp (21/tcp)
Low
Remote FTP server banner :
ProFTPD 1.2.4 Server ready.
general/icmp
Low

The remote host answers to an ICMP timestamp
request. This allows an attacker to know the
date which is set on your machine.

This may help him to defeat all your
time based authentication protocols.

Solution : filter out the ICMP timestamp
requests (13), and the outgoing ICMP
timestamp replies (14).

Risk factor : Low
CVE : CAN-1999-0524
pop-3 (110/tcp)
Low
The remote POP server banner is :
+OK Cubic Circle's v1.31 1998/05/13 POP3 ready <552100000533273d@blackhole>
general/udp
Low
For your information, here is the traceroute to 199.166.31.3 :
10.0.224.1
68.10.9.33
68.10.8.49
68.10.14.5
68.1.0.24
68.1.0.8
209.246.169.5
64.159.3.5
64.159.1.110
209.247.10.110
209.245.240.138
199.166.31.3
https (443/tcp)
Low
Here is the SSLv2 server certificate:
Certificate:
Data:
Version: 3 (0x2)
Serial Number: 1 (0x1)
Signature Algorithm: md5WithRSAEncryption
Issuer: C=US, ST=Florida, L=Orlando, O=@quasar Internet Solutions, OU=SSL Certification, CN=@quasar Internet Solutions/Email=ssl-cert@quasar.net
Validity
Not Before: Mar 6 00:00:45 2000 GMT
Not After : Mar 6 00:00:45 2001 GMT
Subject: C=US, ST=Florida, L=Orlando, O=@quasar Internet Solutions, OU=Webhosting, CN=secure.quasar.net/Email=ssl-cert@quasar.net
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
RSA Public Key: (1024 bit)
Modulus (1024 bit):
00:df:4a:ff:a4:a5:f7:4b:44:5b:a8:db:32:d3:90:
e0:b9:a4:14:49:21:69:21:e0:a8:fc:e3:04:5d:40:
4c:f8:8d:ad:42:e8:95:1b:d3:65:e2:85:3c:03:d7:
2e:f8:c8:8b:39:60:ee:6c:af:84:d8:95:26:f5:88:
16:f2:df:04:36:1b:60:58:eb:ab:85:14:45:fc:69:
a9:18:61:d2:85:61:8d:15:d3:c7:6d:10:6b:87:4a:
f0:0f:60:62:87:38:7d:a7:46:54:c1:23:c2:43:eb:
2a:65:16:3c:9e:93:df:28:69:06:79:0f:b6:e7:6e:
34:03:c1:d1:70:ca:06:cc:dd
Exponent: 65537 (0x10001)
X509v3 extensions:
Netscape CA Revocation Url:
http://www.cryptsoft.com/ca-crl.pem
Netscape Comment:
This is a comment
Netscape Cert Type:
SSL Server
Signature Algorithm: md5WithRSAEncryption
31:ee:09:b2:c9:2f:7d:53:c1:9e:78:44:0c:6c:b1:3b:09:6b:
96:76:f8:f1:b4:65:34:38:3d:a2:97:31:92:fe:f7:de:2c:fd:
d9:c0:26:66:61:c4:f9:03:ab:72:63:23:6e:ce:af:31:91:9f:
28:ff:be:35:36:74:6d:be:b2:15:e9:a5:5e:1a:4a:f8:54:0c:
57:80:4f:f9:11:98:77:7a:87:46:1a:6c:18:7a:e7:c2:45:53:
f9:eb:b8:db:49:55:c5:da:c9:22:0c:9b:6c:f1:dc:07:74:bb:
51:2a:cd:db:74:8b:c4:4e:9b:e4:0a:fc:85:a5:14:52:67:49:
68:1d
https (443/tcp)
Low
Here is the list of available SSLv2 ciphers:
DES-CBC3-MD5 SSLv2 Kx=RSA Au=RSA Enc=3DES(168) Mac=MD5
RC2-CBC-MD5 SSLv2 Kx=RSA Au=RSA Enc=RC2(128) Mac=MD5
RC4-MD5 SSLv2 Kx=RSA Au=RSA Enc=RC4(128) Mac=MD5
RC4-64-MD5 SSLv2 Kx=RSA Au=RSA Enc=RC4(64) Mac=MD5
DES-CBC-MD5 SSLv2 Kx=RSA Au=RSA Enc=DES(56) Mac=MD5
EXP-RC2-CBC-MD5 SSLv2 Kx=RSA(512) Au=RSA Enc=RC2(40) Mac=MD5 export
EXP-RC4-MD5 SSLv2 Kx=RSA(512) Au=RSA Enc=RC4(40) Mac=MD5 export
https (443/tcp)
Low
The SSLv2 server offers 3 strong ciphers, but also
2 medium strength and 2 weak "export class" ciphers.
The weak/medium ciphers may be chosen by an export-grade
or badly configured client software. They only offer a
limited protection against a brute force attack

Solution: disable those ciphers and upgrade your client
software if necessary
https (443/tcp)
Low
Here is the list of available SSLv3 ciphers:
EDH-RSA-DES-CBC3-SHA SSLv3 Kx=DH Au=RSA Enc=3DES(168) Mac=SHA1
EDH-DSS-DES-CBC3-SHA SSLv3 Kx=DH Au=DSS Enc=3DES(168) Mac=SHA1
DES-CBC3-SHA SSLv3 Kx=RSA Au=RSA Enc=3DES(168) Mac=SHA1
DHE-DSS-RC4-SHA SSLv3 Kx=DH Au=DSS Enc=RC4(128) Mac=SHA1
RC4-SHA SSLv3 Kx=RSA Au=RSA Enc=RC4(128) Mac=SHA1
RC4-MD5 SSLv3 Kx=RSA Au=RSA Enc=RC4(128) Mac=MD5
EXP1024-DHE-DSS-RC4-SHA SSLv3 Kx=DH(1024) Au=DSS Enc=RC4(56) Mac=SHA1 export
EXP1024-RC4-SHA SSLv3 Kx=RSA(1024) Au=RSA Enc=RC4(56) Mac=SHA1 export
EXP1024-DHE-DSS-DES-CBC-SHA SSLv3 Kx=DH(1024) Au=DSS Enc=DES(56) Mac=SHA1 export
EXP1024-DES-CBC-SHA SSLv3 Kx=RSA(1024) Au=RSA Enc=DES(56) Mac=SHA1 export
EXP1024-RC2-CBC-MD5 SSLv3 Kx=RSA(1024) Au=RSA Enc=RC2(56) Mac=MD5 export
EXP1024-RC4-MD5 SSLv3 Kx=RSA(1024) Au=RSA Enc=RC4(56) Mac=MD5 export
EDH-RSA-DES-CBC-SHA SSLv3 Kx=DH Au=RSA Enc=DES(56) Mac=SHA1
EDH-DSS-DES-CBC-SHA SSLv3 Kx=DH Au=DSS Enc=DES(56) Mac=SHA1
DES-CBC-SHA SSLv3 Kx=RSA Au=RSA Enc=DES(56) Mac=SHA1
EXP-EDH-RSA-DES-CBC-SHA SSLv3 Kx=DH(512) Au=RSA Enc=DES(40) Mac=SHA1 export
EXP-EDH-DSS-DES-CBC-SHA SSLv3 Kx=DH(512) Au=DSS Enc=DES(40) Mac=SHA1 export
EXP-DES-CBC-SHA SSLv3 Kx=RSA(512) Au=RSA Enc=DES(40) Mac=SHA1 export
EXP-RC2-CBC-MD5 SSLv3 Kx=RSA(512) Au=RSA Enc=RC2(40) Mac=MD5 export
EXP-RC4-MD5 SSLv3 Kx=RSA(512) Au=RSA Enc=RC4(40) Mac=MD5 export
smtp (25/tcp)
Low
The remote SMTP server
answers to the EXPN and/or VRFY commands.

The EXPN command can be used to find
the delivery address of mail aliases, or
even the full name of the recipients, and
the VRFY command may be used to check the
validity of an account.


Your mailer should not allow remote users to
use any of these commands, because it gives
them too much information.


Solution : if you are using Sendmail, add the
option
O PrivacyOptions=goaway
in /etc/sendmail.cf.

Risk factor : Low
CVE : CAN-1999-0531
smtp (25/tcp)
Low
The EICAR test string was sent 2 times. Check your mailbox!
rtsserv (2500/tcp)
Low
The EICAR test string was sent 2 times. Check your mailbox!
http (80/tcp)
Low
The remote web server type is :

Apache/1.3.26 (Unix) Debian GNU/Linux mod_perl/1.26


We recommend that you configure your web server to return
bogus versions in order to not leak information
ntp (123/udp)
Low

An NTP server is running on the remote host. Make sure that
you are running the latest version of your NTP server,
has some versions have been found out to be vulnerable to
buffer overflows.

*** Nessus reports this vulnerability using only
*** information that was gathered. Use caution
*** when testing without safe checks enabled.

If you happen to be vulnerable : upgrade
Solution : Upgrade
Risk factor : High
CVE : CVE-2001-0414