Trillian XML Parsing Bug Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID: 1020105|
SecurityTracker URL: http://securitytracker.com/id/1020105
(Links to External Site)
Updated: May 30 2008|
Original Entry Date: May 22 2008
Execution of arbitrary code via network, User access via network|
Fix Available: Yes Vendor Confirmed: Yes |
Version(s): prior to 188.8.131.52; Pro version|
A vulnerability was reported in Trillian. A remote user can execute arbitrary code on the target system.|
A remote user can send IMG tags with specially crafted attributes via XML to the connected target user to trigger a memory corruption error and execute arbitrary code on the target user's system. The code will run with the privileges of the target user.
The vulnerability resides in 'talk.dll'.
The vendor was notified on April 8, 2008.
The original advisory is available at:
tw33k and n8 reported this vulnerability via TippingPoint.
A remote user can execute arbitrary code on the target system.|
The vendor has issued a fixed version (184.108.40.206), available at:|
Vendor URL: www.ceruleanstudios.com/ (Links to External Site)
|Underlying OS: Windows (Any)|
Source Message Contents
Date: Wed, 21 May 2008 17:46:31 -0500|
Subject: [Full-disclosure] ZDI-08-030: Trillian Multiple Protocol XML
ZDI-08-030: Trillian Multiple Protocol XML Parsing Memory Corruption
May 21, 2008
-- Affected Vendors:
-- Affected Products:
Cerulean Studios Trillian
-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 6126.
For further product information on the TippingPoint IPS, visit:
-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Cerulean Studios Trillian Pro.
Authentication is not required to exploit this vulnerability.
The specific flaw exists within XML parsing in talk.dll. When processing
certain malformed attributes within an 'IMG' tags, it is possible to
overwrite past an allocated heap chunk which can eventually lead to code
execution under the context of the currently user.
-- Vendor Response:
Trillian v220.127.116.11 has been released to address these vulnerabilities
and is available at http://www.ceruleanstudios.com/downloads/
-- Disclosure Timeline:
2008-04-08 - Vulnerability reported to vendor
2008-05-21 - Coordinated public release of advisory
This vulnerability was discovered by:
* tw33k and n8
-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.
Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:
The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
Our vulnerability disclosure policy is available online at:
CONFIDENTIALITY NOTICE: This e-mail message, including any attachments,
is being sent by 3Com for the sole use of the intended recipient(s) and
may contain confidential, proprietary and/or privileged information.
Any unauthorized review, use, disclosure and/or distribution by any
recipient is prohibited. If you are not the intended recipient, please
delete and/or destroy all copies of this message regardless of form and
any included attachments and notify 3Com immediately by contacting the
sender via reply e-mail or forwarding to 3Com at firstname.lastname@example.org.
Full-Disclosure - We believe in it.
Hosted and sponsored by Secunia - http://secunia.com/