Update for Microsoft Internet Explorer HTML Elements Vulnerability
Original release date: December 1, 2004
Last revised: December 3, 2004
Source: US-CERT
Systems Affected
Microsoft Windows systems running
Overview
Microsoft Security Bulletin MS04-040
contains an update to fix a buffer overflow vulnerability in Internet
Explorer.
I. Description
TA04-315A
describes a buffer overflow vulnerability in Microsoft Internet
Explorer HTML elements that could allow a remote attacker to execute arbitrary code.
Note that any program that hosts the
WebBrowser
ActiveX control could be affected.
Microsoft
Security Bulletin MS04-040
contains an update to fix this vulnerability.
The vulnerability is described in further detail in VU#842160.
II. Impact
By convincing a user to view a specially crafted HTML document (e.g., a web
page or an HTML email message), an attacker could execute arbitrary code
with the privileges of the user. The attacker could also cause IE to crash.
Reports indicate that this vulnerability is being exploited by malicious
code referred to as MyDoom.{AG,AH,AI} or Bofra.
III. Solution
Install an update
Install the appropriate update according to
Microsoft
Security Bulletin MS04-040.
For additional information about the update, including possible adverse effects, please see Microsoft Knowledge Base articles 889293 and 889669.
Internet Explorer 6 on Windows XP SP2 is not vulnerable. Please see MS04-040 for information about affected software and components.
Appendix A. References
Feedback can be directed to the authors: Will
Dormann and Art Manion.
Copyright 2004 Carnegie Mellon University. Terms of use
Revision History
December 1, 2004: Initial release
December 3, 2004: Added information about IE 6 on Windows XP SP2