Microsoft SQLXML ISAPI远程缓冲区溢出漏洞(MS02-030)

漏洞信息详情

Microsoft SQLXML ISAPI远程缓冲区溢出漏洞(MS02-030)

漏洞简介

SQLXML ISAPI可以使IIS服务器能够从SQL服务器接受或向其输出XML数据,从而以XML的格式返回查询请求。
SQLXML ISAPI实现上存在缓冲区溢出漏洞,远程攻击者可能通过溢出攻击在主机上以SYSTEM权限执行任意指令。
当使用SQLXML的\”sql=\”语法进行SQL查询的时候,用户可以指定某些参数来影响返回的XML输出,其中的一个参数为content-type。如果提交一个超长的content-type值给IIS,服务器程序可能会崩溃,精心构造成提交的数据可能导致远程攻击者在主机上以SYSTEM进程的权限在主机上执行任意指令。A normal request looks like (in this case, a direct sql= query)。一个正常的请求是可能如下这个样子:
IIS-server/demos?sql=select+*+from+Customers+as+Customer+FOR+XML+auto&root=root&xsl=custtable.xsl&contenttype=text/html
如果content-type的值大于240个字符则可能使inetinfo.exe崩溃。

漏洞公告

厂商补丁:
Microsoft
———
Microsoft已经为此发布了一个安全公告(MS02-030)以及相应补丁:
MS02-030:Unchecked Buffer in SQLXML Could Lead to Code Execution (Q321911)
链接:
http://www.microsoft.com/technet/security/bulletin/MS02-030.asp

补丁下载:
* Microsoft SQLXML version shipping with SQL 2000 Gold:

http://www.microsoft.com/Downloads/Release.asp?ReleaseID=39547” target=”_blank”>
http://www.microsoft.com/Downloads/Release.asp?ReleaseID=39547

* Microsoft SQLXML version 2:

http://www.microsoft.com/Downloads/Release.asp?ReleaseID=38480” target=”_blank”>
http://www.microsoft.com/Downloads/Release.asp?ReleaseID=38480

* Microsoft SQLXML version 3:

http://www.microsoft.com/Downloads/Release.asp?ReleaseID=38481” target=”_blank”>
http://www.microsoft.com/Downloads/Release.asp?ReleaseID=38481

参考网址

来源:US-CERT Vulnerability Note: VU#811371
名称: VU#811371
链接:http://www.kb.cert.org/vuls/id/811371

来源: MS
名称: MS02-030
链接:http://www.microsoft.com/technet/security/bulletin/ms02-030.asp

来源: VULNWATCH
名称: 20020613 [VulnWatch] wp-02-0007: Microsoft SQLXML ISAPI Overflow and Cross Site Scripting
链接:http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0100.html

来源: BID
名称: 5004
链接:http://www.securityfocus.com/bid/5004

来源: OSVDB
名称: 5347
链接:http://www.osvdb.org/5347

来源: XF
名称: mssql-sqlxml-isapi-bo(9328)
链接:http://www.iss.net/security_center/static/9328.php

来源: BUGTRAQ
名称: 20020613 wp-02-0007: Microsoft SQLXML ISAPI Overflow and Cross Site Scripting
链接:http://marc.theaimsgroup.com/?l=bugtraq&m=102397345410856&w=2

来源: US Government Resource: oval:org.mitre.oval:def:489
名称: oval:org.mitre.oval:def:489
链接:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:489

来源: US Government Resource: oval:org.mitre.oval:def:484
名称: oval:org.mitre.oval:def:484
链接:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:484

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