Alleged Outlook Express Link Denial of Service Vulnerability

Bugtraq ID:	5682
Class:	Boundary Condition Error
CVE:
Remote:	Yes
Local:	No
Published:	Sep 09 2002 12:00AM
Updated:	Sep 09 2002 12:00AM
Credit:	Discovery credited to Stefano Zanero
Vulnerable:	Microsoft Outlook Express 5.0.1 Microsoft Outlook Express 6.0 + Microsoft Windows Server 2003 Datacenter Edition + Microsoft Windows Server 2003 Datacenter Edition + Microsoft Windows Server 2003 Datacenter Edition + Microsoft Windows Server 2003 Datacenter Edition Itanium 0 + Microsoft Windows Server 2003 Datacenter Edition Itanium 0 + Microsoft Windows Server 2003 Datacenter Edition Itanium 0 + Microsoft Windows Server 2003 Enterprise Edition + Microsoft Windows Server 2003 Enterprise Edition + Microsoft Windows Server 2003 Enterprise Edition + Microsoft Windows Server 2003 Enterprise Edition Itanium 0 + Microsoft Windows Server 2003 Enterprise Edition Itanium 0 + Microsoft Windows Server 2003 Enterprise Edition Itanium 0 + Microsoft Windows Server 2003 Itanium SP2 + Microsoft Windows Server 2003 Itanium SP2 + Microsoft Windows Server 2003 Itanium SP1 + Microsoft Windows Server 2003 Itanium SP1 + Microsoft Windows Server 2003 Standard Edition + Microsoft Windows Server 2003 Standard Edition + Microsoft Windows Server 2003 Standard Edition + Microsoft Windows Server 2003 Standard x64 Edition + Microsoft Windows Server 2003 Standard x64 Edition + Microsoft Windows Server 2003 Web Edition + Microsoft Windows Server 2003 Web Edition + Microsoft Windows Server 2003 Web Edition + Microsoft Windows Server 2003 x64 SP2 + Microsoft Windows Server 2003 x64 SP2 + Microsoft Windows XP 64-bit Edition + Microsoft Windows XP 64-bit Edition + Microsoft Windows XP Home + Microsoft Windows XP Home + Microsoft Windows XP Home + Microsoft Windows XP Media Center Edition SP2 + Microsoft Windows XP Media Center Edition SP2 + Microsoft Windows XP Media Center Edition + Microsoft Windows XP Media Center Edition + Microsoft Windows XP Media Center Edition + Microsoft Windows XP Professional + Microsoft Windows XP Professional + Microsoft Windows XP Professional + Microsoft Windows XP Professional x64 Edition SP2 + Microsoft Windows XP Professional x64 Edition SP2 + Microsoft Windows XP Tablet PC Edition SP2 + Microsoft Windows XP Tablet PC Edition SP2 + Microsoft Windows XP Tablet PC Edition + Microsoft Windows XP Tablet PC Edition Microsoft Outlook Express 5.5 + Microsoft Internet Explorer 5.0.1 for Windows NT 4.0 + Microsoft Internet Explorer 5.0.1 for Windows NT 4.0 + Microsoft Internet Explorer 5.0.1 for Windows 98 + Microsoft Internet Explorer 5.0.1 for Windows 98 + Microsoft Internet Explorer 5.0.1 for Windows 95 + Microsoft Internet Explorer 5.0.1 for Windows 95 + Microsoft Internet Explorer 5.0.1 for Windows 2000 + Microsoft Internet Explorer 5.0.1 for Windows 2000 + Microsoft Internet Explorer 5.0.1 + Microsoft Internet Explorer 5.0.1 + Microsoft Internet Explorer 5.5 + Microsoft Internet Explorer 5.5 - Microsoft Windows 2000 Professional - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows 98 - Microsoft Windows 98SE - Microsoft Windows 98SE - Microsoft Windows NT 4.0 - Microsoft Windows NT 4.0 Microsoft Outlook Express 5.0
Not Vulnerable:

Alleged Outlook Express Link Denial of Service Vulnerability

Reportedly, when decoding a HTML email, Outlook Express will stop responding upon encountering a <A HREF> link longer than 4095 characters. It is not confirmed why this behaviour occurs.

Alleged Outlook Express Link Denial of Service Vulnerability

Solution:
Microsoft has reportedly stated that this vulnerability will be eliminated in MSIE 6 SP1.

Currently we 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]>.

Alleged Outlook Express Link Denial of Service Vulnerability

References: