BID:3398

AOL Instant Messenger HTML Comments DoS Vulnerability

Info

AOL Instant Messenger HTML Comments DoS Vulnerability

Bugtraq ID:	3398
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2001-1419
Remote:	Yes
Local:	No
Published:	Sep 29 2001 12:00AM
Updated:	Jul 11 2009 07:56AM
Credit:	Posted to the Vuln-Dev mailing list by leon <[email protected]>.
Vulnerable:	AOL Instant Messenger 4.7.2480 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows CE 2.0 - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6 - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 SP4 - Microsoft Windows NT 4.0 SP3 - Microsoft Windows NT 4.0 SP2 - Microsoft Windows NT 4.0 SP1 - Microsoft Windows NT 4.0 AOL Instant Messenger 4.7 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows CE 2.0 - Microsoft Windows ME - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6 - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 SP4 - Microsoft Windows NT 4.0 SP3 - Microsoft Windows NT 4.0 SP2 - Microsoft Windows NT 4.0 SP1 - Microsoft Windows NT 4.0 AOL Instant Messenger 4.6 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows CE 2.0 - Microsoft Windows ME - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 SP4 - Microsoft Windows NT 4.0 SP3 - Microsoft Windows NT 4.0 SP2 - Microsoft Windows NT 4.0 SP1 - Microsoft Windows NT 4.0 AOL Instant Messenger 4.5 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows CE 2.0 - Microsoft Windows ME - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6 - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 SP4 - Microsoft Windows NT 4.0 SP3 - Microsoft Windows NT 4.0 SP2 - Microsoft Windows NT 4.0 SP1 - Microsoft Windows NT 4.0 AOL Instant Messenger 4.4 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows CE 2.0 - Microsoft Windows ME - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6 - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 SP4 - Microsoft Windows NT 4.0 SP3 - Microsoft Windows NT 4.0 SP2 - Microsoft Windows NT 4.0 SP1 - Microsoft Windows NT 4.0 AOL Instant Messenger 4.3.2229 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows CE 2.0 - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6 - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 SP4 - Microsoft Windows NT 4.0 SP3 - Microsoft Windows NT 4.0 SP2 - Microsoft Windows NT 4.0 SP1 - Microsoft Windows NT 4.0 AOL Instant Messenger 4.3 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows CE 2.0 - Microsoft Windows ME - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6 - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 SP4 - Microsoft Windows NT 4.0 SP3 - Microsoft Windows NT 4.0 SP2 - Microsoft Windows NT 4.0 SP1 - Microsoft Windows NT 4.0 AOL Instant Messenger 4.2 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows CE 2.0 - Microsoft Windows ME - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 SP4 - Microsoft Windows NT 4.0 SP3 - Microsoft Windows NT 4.0 SP2 - Microsoft Windows NT 4.0 SP1 - Microsoft Windows NT 4.0 AOL Instant Messenger 4.1 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows CE 2.0 - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6 - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 SP4 - Microsoft Windows NT 4.0 SP3 - Microsoft Windows NT 4.0 SP2 - Microsoft Windows NT 4.0 SP1 - Microsoft Windows NT 4.0 AOL Instant Messenger 4.0 - Apple Mac OS 9 9.0 - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows CE 3.0 - Microsoft Windows NT 4.0

Not Vulnerable:

Discussion

AOL Instant Messenger HTML Comments DoS Vulnerability

A vulnerability exists in AOL Instant Messenger (AIM) which could cause the AIM client to stop responding.

Attacks can be launched if an instant message containing an unusual number of HTML comments, is sent and received by an AIM recipient. Restart of the application may be required in order to regain normal functionality. This has also been known to work when using the chat invite message function.

It has been reported that the majority of AOL's versions of AIM is subject to this vulnerability. This reportedly, includes Netscape's AIM client.

Exploit / POC

AOL Instant Messenger HTML Comments DoS Vulnerability

Ceromus, First Last <[email protected]> and Robbie Saunders has developed the AIMFilter.zip exploit:

http://www.ssnbc.com/wiz/AIM%20Filter.zip

Solution / Fix

AOL Instant Messenger HTML Comments DoS Vulnerability

Solution:
Currently the SecurityFocus staff are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

References

AOL Instant Messenger HTML Comments DoS Vulnerability

References:

[ADVISORY] AOL Instant Messenger DoS (Matthew Sachs )
AOL Instant Messenger Home Page (AOL)
new 0day AIM DoS released (AngryPacket)