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Category:   Application (Instant Messaging/IRC/Chat)  >   Gaim Vendors:   Gaim.sourceforge.net
Gaim Can Be Crashed By Sending a Filename Containing a Parenthesis Character to a Remote User
SecurityTracker Alert ID:  1013300
SecurityTracker URL:  http://securitytracker.com/id/1013300
CVE Reference:   CVE-2005-0573   (Links to External Site)
Updated:  Feb 28 2005
Original Entry Date:  Feb 25 2005
Impact:   Denial of service via network
Exploit Included:  Yes  
Version(s): 1.1.3; possibly other versions
Description:   A vulnerability was reported in Gaim in the file transfer feature. A remote user can cause the recipient's Gaim client to crash.

A remote user can send a file with a specially crafted filename to a target user to cause the target user's Gaim client to crash. A filename containing a parenthesis character can trigger the flaw.

A demonstration exploit filename is provided:

gaim1.1(windows).exe

Randall Perry of domain-logic.com reported this vulnerability.

Impact:   A remote user can cause the recipient's Gaim client to crash.
Solution:   No solution was available at the time of this entry.
Vendor URL:  gaim.sourceforge.net/ (Links to External Site)
Cause:   Exception handling error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)
Underlying OS Comments:  Tested on Windows XP and Windows 2000

Message History:   None.


 Source Message Contents

Subject:  [Full-Disclosure] GAIM exploit


Platform: Windows (tested only on XP and 2000, might impact others)
Application: GAIM v1.1.3
Synopsis: Cause remote crash of GAIM client.
Scenario:

By sending a file to another GAIM user, you can cause their GAIM client
to crash and completely close GAIM down.

Simply send a file to someone with parenthesis in it, and it will crash
when they accept the download (the download does not even begin, it just
crashes).

Example: filename of gaim1.1(windows).exe
will cause it to crash.

I am still playing with the debug version of GAIM, and having just run
through GTK updates to 2.4 I do not have time to digest and post those.
So far, it looks like it has to do with libglib-2.0-0.dll
I am following up with a post to GAIM developers with a complete report.

http://www.domain-logic.com/


-- 
No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.300 / Virus Database: 266.4.0 - Release Date: 2/22/2005


_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full-disclosure-charter.html

 
 


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