受影响系统：

Apache Software Foundation Apache 2.0a9
Apache Software Foundation Apache 2.0.48
Apache Software Foundation Apache 2.0.47
Apache Software Foundation Apache 2.0.46
Apache Software Foundation Apache 2.0.45
Apache Software Foundation Apache 2.0.44
Apache Software Foundation Apache 2.0.43
Apache Software Foundation Apache 2.0.42
Apache Software Foundation Apache 2.0.41
Apache Software Foundation Apache 2.0.40
Apache Software Foundation Apache 2.0.39
Apache Software Foundation Apache 2.0.38
Apache Software Foundation Apache 2.0.37
Apache Software Foundation Apache 2.0.36
Apache Software Foundation Apache 2.0.35
Apache Software Foundation Apache 2.0.32
Apache Software Foundation Apache 2.0.28
Apache Software Foundation Apache 2.0
Apache Software Foundation Apache 1.3.29
Apache Software Foundation Apache 1.3.27
Apache Software Foundation Apache 1.3.26
Apache Software Foundation Apache 1.3.25
Apache Software Foundation Apache 1.3.24
Apache Software Foundation Apache 1.3.23
Apache Software Foundation Apache 1.3.22
Apache Software Foundation Apache 1.3.20
Apache Software Foundation Apache 1.3.19
Apache Software Foundation Apache 1.3.18
Apache Software Foundation Apache 1.3.17
Apache Software Foundation Apache 1.3.14
Apache Software Foundation Apache 1.3.12
Apache Software Foundation Apache 1.3.11
Apache Software Foundation Apache 1.3
Apache Software Foundation Apache 1.0
Apache Software Foundation Apache 0.8.14
Apache Software Foundation Apache 0.8.11
Apache Software Foundation Apache 1.3.28
　　Conectiva Linux 8.0
　　Conectiva Linux 7.0
　　Conectiva Linux 6.0
　　Debian Linux 3.0
　　Mandrake Linux Corporate Server 1.0.1
　　Mandrake Linux 8.1
　　Mandrake Linux 8.0
　　Mandrake Linux 7.2
　　RedHat Linux 8.0
　　RedHat Linux 7.3
　　RedHat Linux 7.2
　　Sun Solaris 9.0
　　Sun Solaris 8.0

　　详细描述：

　　Apache cygwin是一款可在Windows平台上进行应用的环境。Apache httpd在cygwin环境上对部分请求缺少充分过滤，远程攻击者可以利用这个漏洞进行目录遍历攻击。

　　提交包含多个对'../'进行URI编码的请求给cygwin环境上的Apache httpd，可绕过WEB ROOT限制，以WEB进程权限在系统上查看任意文件内容。

　　补丁下载：

　　Apache Software Foundation Apache 1.3.29:

　　Apache Software Foundation Patch Apache cygwin 1.3.29 patch
http://nagoya.apache.org/bugzilla/showattachment.cgi?attach_id=10222