安全研究

安全漏洞
Microsoft Internet Explorer URL解码域伪造漏洞(MS05-014)

发布日期:2005-02-08
更新日期:2005-02-13

受影响系统:
Microsoft Internet Explorer 5.0.1SP3
    - Microsoft Windows 2000 Server SP3
    - Microsoft Windows 2000 Professional SP3
Microsoft Internet Explorer 5.0.1SP4
    - Microsoft Windows 2000 Server SP4
    - Microsoft Windows 2000 Professional SP4
Microsoft Internet Explorer 5.5SP2
    - Microsoft Windows Millennium Edition
Microsoft Internet Explorer 6.0
    - Microsoft Windows XP Professional SP2
    - Microsoft Windows XP Home SP2
    - Microsoft Windows XP 64-bit Edition SP1
    - Microsoft Windows 2003 Standard Edition
    - Microsoft Windows 2003 Enterprise Edition 64-bit
    - Microsoft Windows 2003 Enterprise Edition
    - Microsoft Windows 2003 Datacenter Edition 64-bit
    - Microsoft Windows 2003 Datacenter Edition
Microsoft Internet Explorer 6.0SP1
    - Microsoft Windows XP Professional SP1
    - Microsoft Windows XP Home SP1
    - Microsoft Windows Millennium Edition
    - Microsoft Windows 98 SE
    - Microsoft Windows 98
    - Microsoft Windows 2000 Server SP4
    - Microsoft Windows 2000 Server SP3
    - Microsoft Windows 2000 Professional SP4
    - Microsoft Windows 2000 Professional SP3
    - Microsoft Windows 2000 Datacenter Server SP4
    - Microsoft Windows 2000 Datacenter Server SP3
    - Microsoft Windows 2000 Advanced Server SP4
    - Microsoft Windows 2000 Advanced Server SP3
描述:
CVE(CAN) ID: CVE-2005-0054

Microsoft Internet Explorer是一款流行的WEB浏览器, 它存在一个安全漏洞, 可能导致远程代码执行或者敏感信息泄露.

Internet Explorer在判断一个URL应该属于哪个安全区时存在问题,URL被错误地多次解码,从而导致在解释一个位于Internet安全区中的HTML页面时,错误地将其作为其他IE安全区中的页面(例如“我的电脑”区)对待。这可能使得IE对一个恶意站点应用一个较低的安全设置,从而导致远程代码执行或者跨站脚本攻击。由于Windows允许主机名中包含%号,攻击者也可以利用这个漏洞构建恶意URL,诱使用户点击,URL可以看起来是另外一个WEB页而使目标用户信任此页面,可导致敏感信息泄露。

<*来源:Jouko Pynnonen (jouko@iki.fi
  
  链接:http://marc.theaimsgroup.com/?l=bugtraq&m=110796851002781&w=2
        http://www.microsoft.com/technet/security/bulletin/ms05-014.mspx
        http://www.us-cert.gov/cas/techalerts/TA05-039Apr.html
*>

建议:
临时解决方法:

如果您不能立刻安装补丁或者升级,NSFOCUS建议您采取以下措施以降低威胁:

* 将Web站点仅限为可信任的Web站点
* 如果您在运行Outlook 2002或之后版本,或Outlook Express 6 SP1或之后版本的话,以纯文本格式阅读邮件消息以防范HTML e-mail攻击。

厂商补丁:

Microsoft
---------
Microsoft已经为此发布了一个安全公告(MS05-014)以及相应补丁:
MS05-014:Cumulative Security Update for Internet Explorer (867282)
链接:http://www.microsoft.com/technet/security/bulletin/ms05-014.mspx

补丁下载:

* Internet Explorer 5.01 Service Pack 3 (SP3) on Windows 2000 Service Pack 3

  http://www.microsoft.com/downloads/details.aspx?FamilyId=34F5BCDE-4EE2-4EFD-BB60-F5A6BC5F56D1

* Internet Explorer 5.01 Service Pack 4 on Windows 2000 Service Pack 4

  http://www.microsoft.com/downloads/details.aspx?FamilyId=4C2CBB4B-2F00-4CD6-BB98-AD14A48B53C0

* Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 Service Pack 3, on Microsoft Windows 2000 Service Pack 4, or on Microsoft Windows XP Service Pack 1

  http://www.microsoft.com/downloads/details.aspx?FamilyId=E473CD05-3320-4322-B437-F3A61E62F567

* Internet Explorer 6 for Windows XP Service Pack 1 (64-Bit Edition)

  http://www.microsoft.com/downloads/details.aspx?FamilyId=7EAE62C0-3DA0-4BAC-B2FE-ECE89959053D

* Internet Explorer 6 for Windows Server 2003

  http://www.microsoft.com/downloads/details.aspx?FamilyId=4DC0FE8A-9D03-4AB8-8EAF-C85FF25CB1A2

* Internet Explorer 6 for Windows Server 2003 64-Bit Edition and Windows XP 64-Bit Edition Version 2003

  http://www.microsoft.com/downloads/details.aspx?FamilyId=E3C4DA1F-6FA2-4A2B-A6D9-24B599C353B3

* Internet Explorer 6 for Windows XP Service Pack 2

  http://www.microsoft.com/downloads/details.aspx?FamilyId=82056EAB-8367-4B04-A11A-1002D14EB55B

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