Heap-based Buffer Overflow in vim/vim

Description Heap-buffer-overflow on write in vim This issue was created to separate this one and was fixed with Patch 8.2.4218. Proof of Concept Steps to reproduce: echo -n bm9ybTBRgFBTMP8wMDCysDAwMDAwMDAwMDAwMDAw/zD/g7IwMDAwMDAwMDAwjjAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAD | base64 -d heapowpoc2 vim ...

Improper Authorization in janeczku/calibre-web

Description With default settings, low-level users will not have permission to edit the sort order of books in private shelf of another user. However, due to incorrect checking, the application does not work as intended. Proof of Concept - Step 1: Login with admin account and go to...

Cross-site Scripting (XSS) - Stored in chatwoot/chatwoot

Steps To Reproduce: 1. 1. Navigate to the campaigns section 2. 2. Click on "Create a ongoing campaign" 3. 3. Fill title, message, inbox and URL 4. 4. Then click on "Create" and intercept it 5. 5. Change your url's value to javascript:alert1 for example "url" : "https://google.com" to "url" :...

Command Injection in parse-community/parse-server

Description This is a Remote Code Execution vulnerability in the Parse Server. This vulnerability affects the Parse Server in the default configuration with MongoDB, probably a similar attack can affect the PostgreSQL storage as well. The main weakness that leads to RCE is the Prototype Pollution...

Cross-site Scripting (XSS) - Stored in kunstmaan/kunstmaanbundlescms

Description In kunstmaan / kunstmaanbundlescms, menu form slug field is vulnerable to cross site scripting Proof of Concept 1. login to demo page 2. go to pages, open any page 3. go to menu , in slug feild place the payload and save, it will trigger. payload : " Impact This vulnerability is capab...

Inefficient Regular Expression Complexity in validatorjs/validator.js

Description I would like to report a Regular Expression Denial of Service ReDoS vulnerability in validator. It allows cause a denial of service when calling function 'rtrim'. The ReDoS vulnerability is mainly due to the regex /\s+$/g and can be exploited with the following code. Proof of Concept ...

Code Injection in namelessmc/nameless

✍️ Description Code Injection is the general term for attack types which consist of injecting code that is then interpreted/executed by the application. This type of attack exploits poor handling of untrusted data. These types of attacks are usually made possible due to a lack of proper...

Server-Side Request Forgery (SSRF) in apostrophecms/apostrophe

✍️ Description Rendering Of SVG file causes SSRF 🕵️‍♂️ Proof of Concept /image.jpeg" / upload the svg file with the payload mentioned above change server name and preview it. then check the server for incoming request. 💥 Impact SSRF basic attack - host redirect , further researches of this attack...

Command Injection in zaach/jison

Overview jison is a package that provides an API for creating parsers in JavaScript. Affected versions of this package are vulnerable to Command Injection. Arbitrary OS shell command execution is possible through a crafted command-line argument...

XSS in Seo & Settings tab of Documents in pimcore/pimcore

Description pimcore is vulnerable to XSS at Title field in SEO & Settings tab of Document. Proof of Concept 1.Go to https://demo.pimcore.fun/admin/ and login. 2.In Documents, go to home - click on SEO & Settings icon to go to this tab. 3.In the SEO & Setting tab, input the payload " into the Titl...

No Protection Against Bruteforce Attacks on Login Page in

Description Modoboa does not restrict or limit unsuccessful login attempts allowing an attacker to brute force the password of a known user Proof of Concept Steps to Reproduce: Capture login request with BurpSuite Send to Intruder Replay the login request with a different password value utilizing...

Language Dropdown Menu Manipulation

Hello It is possible to manipulate the Language Dropdown Menu and change it to anything the attacker wants. Process of the Vulnerability: 1. Login 2. Go Miscellaneous - Email & file templates 3. Add Template - Change & Save and intercept the Request 4. Change the Language to anything you want ---...

SQL Database Error could lead to SQL Injection with internal Path Disclosure

Hello, Through manipulating Parameter i get an SQL Error which can lead to SQL Injection. Plus that there is an internal Path Disclosure. Best regards Ahmed Hassan...

stored Blind XSS in Admin Panel through FAQ-Proposal leads to Admin Full Account Takeover

Hello. Vulnerability: Blind XSS in Admin Panel while generating Report 1. Without beeing logged in the Application 2. Go to FAQ-Proposal - put an XSS Payload like alert'1' in the question Field 4. Send the Proposal ------ 4. Admin will login 5. The Proposal will pop up in the Category you specifi...

Use After Free in Function qf_buf_add_line( )

Description Hello there! How are you doing? I just used the PoC of this previous report as a valid input for fuzzing, and ended up finding what it seems to be a new case of Use After Free, with a slightly different input. The last commit in which I tested it was...

Account Takeover

Description Hi I found a way to takeover user's account Proof of Concept 1.Victim A is a member of a organization orgA 2.Attacker create a new account with orgB 3.Invite victimA to orgB 4.Since an admin can access invitation link attacker copy this link and set new password using this link 5.Now...

Weak Password Policy

Description I would like to let you know about the password management issue. Proof of Concept 1- Go to your Profile or https://docker.trudesk.io/profile 2- Give a password as simple as 12345678. You can see you will be password has been changed and there is no strong enforcement...

Heap buffer overflow in vim_strncpy find_word

✍️ Description When fuzzing vim commit fc78a0369 works with latest build and latest commit 202b4bd3a per this time of this report with clang 13 and ASan, I discovered a buffer overflow. Proof of Concept Here is the poc bash...

XSS in livehelperchat

Description LiveHelperChat is vulnerable to XSS in /cobrowse/checkmirrorchanges/ in it response the url parameter to json content while response content type is html. SETP1: set the url in following request POST /cobrowse/storenodemap/hash/174QXubVQ2cHdPR5xt5vNLBWVRnRwNu6MBWHoxRs3/?url= HTTP/1.1...

Able to create an account with long password leads to memory corruption / Integer Overflow

I have found that there is a way to create an account with the length of more than 10k or 100k characters where it may leads to Integer overflow and the backend memory can't handle this issue Steps to Reproduce: Now we can create a simple account While creating an account , In the password field ...

Accounting User Can Download Patient Reports in openemr

Vulnerability Type Insecure Direct Object Reference Affected URL https://localhost/openemr/interface/patientfile/report/customreport.php Affected Parameters “Issue7” Authentication Required? Yes Issue Summary Non-privilege users accounting & front-office can download patient reports containing...

Improper Authentication in liukuo362573/yishaadmin

Description Hi, I would like to report an improper authentication vulnerability in https://www.github.com/liukuo362573/yishaadmin. Endpoint "/admin/OrganizationManage/User/ExportUserJson" does not require any authentication and return xls file contain users data like username, fullname, email,...

in vim/vim

Description Stack Pointer $RSP is corrupted at function eval7t in eval.c during calling eval3, eval4, eval5, eval6, eval7... continuously while parsing too many brackets. vim version : 8.2.4195 latest commit hash : 79a6e25b79cdb35e00d8b364516103eb358d8cc7 Proof of Concept $ echo -ne...

Cross-site Scripting (XSS) - Generic in bigbluebutton/bigbluebutton

Description Shared notes panel is vulnerable to XSS when rendering a new note, due to missing username sanitization. Proof of Concept 1. 1.Start a new web conference and share the link with other people 2. 2.A malicious user joins the conference with the following username: 3. 3.As soon as the...

in dompdf/dompdf

Description The Scenario 3 you described in this report https://huntr.dev/bounties/0bdddc12-ff67-4815-ab9f-6011a974f48e/ actually opens up the ability to bypass chroot checks. Proof of Concept 1: Make sure you install Dompdf from GitHub https://github.com/dompdf/dompdf/ and include the following...

Heap-based Buffer Overflow in hoene/libmysofa

Description There are some heap-buffer-overflows in mysofa2json of libmysofa. They are in function loudness, mysofacheck and readOHDRHeaderMessageDataLayout. System info Ubuntu 20.04.3 LTS clang 12.0.1 libmysofa github master branch commit 0cb89cb Command to Reproduce build libmysofa with...

Sensitive Cookie Without 'HttpOnly' Flag in azuracast/azuracast

✍️ Description HTTPOnly attribute is not set for session cookies in the application. 🕵️‍♂️ Proof of Concept 💥 Impact When a cookie doesn’t have an HttpOnly flag, it can be accessed through JavaScript, which means that an XSS could lead to cookies being stolen. These include session cookies that can...

Cross-site Scripting (XSS) - Reflected in swiftyspiffy/twitch-token-generator

✍️ Description An almost XSS exists in this repository that, if not for the WAF used on https://twitchtokengenerator.com; would have resulted in reflected XSS. Despite this, it is possible to inject HTML onto the page, making some attack scenarios possible. 🕵️‍♂️ Proof of Concept - Navigate to...

File Upload Type Validation Error

Description The application does not properly validate the file type or extension during the upload process, allowing any authenticated user to bypass it . StepsTOReproduce - Navigate to this URL:https://demo.bumsys.org/settings/shop-list/ - Click on action button to edit the Profile - Click on...

Heap-based Buffer Overflow in function ml_append_int

Description Heap-based Buffer Overflow in function mlappendint at memline.c:2951 vim version git log commit 043d7b2c84cda275354aa023b5769660ea70a168 HEAD - master, tag: v9.0.1182, origin/master, origin/HEAD POC ./vim -u NONE -i NONE -n -m -X -Z -e -s -S ./pochbo02s.dat -c :qa!...

Stored XSS via title, subtitle, footer and post title and content

Description The site is vulnerable to Stored XSS via Blog title, Blog subtitle and Blog footer. Proof of Concept - Login as Admin - Go to Administration Area - Option Set n the 3 fields a payload like this: alertdocument.domain Now go to the blog, and you'll see that 3 payloads actually fires: Al...

Cross Site Request Forgery in profile's "SSH Keys" leads to unauthorized access to the system

Description While adding SSH public keys to the profile, the server accepts the GET request which results in adding an SSH public key to the profile and leads to unauthorised access to the system and backups. Proof of Concept Open the below url after logging in to the demo site.SSH Public key wil...

Use After Free in function do_tag

Description Use After Free in function dotag at vim/src/tag.c:807. vim version ./vim --version VIM - Vi IMproved 9.0 2022 Jun 28, compiled Sep 2 2022 22:56:19 Included patches: 1-363 Proof of Concept ./vim -u NONE -i NONE -n -m -X -Z -e -s -S /home/elva/fuzzvim/test/poc8huaf.dat -c :qa!...

Buffer Over-read in function utf_head_off

Description Buffer Over-read in function utfheadoff at vim/src/mbyte.c:3872 vim version git log commit 249e1b903a9c0460d618f6dcc59aeb8c03b24b20 grafted, HEAD - master, tag: v9.0.0213, origin/master, origin/HEAD Proof of Concept ./vim/src/vim -u NONE -X -Z -e -s -S poc3hbo.dat -c :qa!...

Unrestricted File Upload and Path Traversal in upload image

Description The uploadImage function in accountsController take file path and extension from users . An attacker can change the path and extension to upload dangerous file to anywhere in server. Proof of Concept 1. Login 2. Upload profile image 3. Capture request, modify username and filename POS...

heap buffer overflow in get_one_sourceline

Description When fuzzing vim commit 471b3aed3 I discovered a heap buffer overflow. I'm using ubuntu 20.04 with clang 13 Proof of Concept Here is the minimized poc bash norm300gr0 so How to build bash LD=lld AS=llvm-as AR=llvm-ar RANLIB=llvm-ranlib CC=clang CXX=clang++ CFLAGS="-fsanitize=address"...

Stored XSS via File Upload

Description \ Stored XSS via uploading file in .md format. Proof of Concept filename="poc.md" alert1 Steps to Reproduce 1.Login into showdoc.com.cn.\ 2.Navigate to file library https://www.showdoc.com.cn/attachment/index\ 3.In the File Library page, click the Upload button and choose the poc.md...

Insecure deserialization of not validated module file

Description In recent Crater version 18507ddb tag: 6.0.6 highly privileged user can upload malicious module file and run insecure deserialization, which can lead to remote code execution. Proof of Concept 1. Prepare PHAR file - php --define phar.readonly=0 phar.php PHP data = $data; function...

HTTP Request Smuggling

Summary Due to several violations of the HTTP standard as defined in RFC7230, Waitress is vulnerable to HTTP request smuggling when used with an upstream proxy that exhibits nonstandard behaviour. Each issue is explained in the Occurrences section below...

Protocol/Hostname spoofing via Improper Input Validation

Description The uri.js doesn't remove whitespace characters from the beginning of the protocol, so it doesn't parse URLs properly. Several methods, including http.get, location.href, and fetch, strip the whitespace character in front of the protocol before sending the request. Proof of Concept...

Insecure Storage of Sensitive Information

Description:- When the user uploads his profile picture, the uploaded image’s EXIF Geolocation Data does not get stripped. As a result, anyone can get sensitive information of microweber users like their Geolocation, their Device information like Device Name, Version, Software & Software version...

in unshiftio/url-parse

Description Incorrect conversion of @ in protocol in the href leads to improper validation of hostname. Proof of Concept Url-parse is not able to verify broken protocol. This will allow to bypass hostname validation. parse = require'url-parse' console.logparse"http:@/127.0.0.1" Now imagine if the...

OS Command Injection in microweber/microweber

Description OS command injection also known as shell injection is a web security vulnerability that allows an attacker to execute arbitrary operating system OS commands on the server that is running an application, and typically fully compromise the application and all its data. Very often, an...

Path Traversal in gruntjs/grunt

Description Grunt is a JavaScript task runner, a tool used to automatically perform frequent tasks such as minification, compilation, unit testing, and linting. In GruntJS, file.copy operations in GruntJS are not protected against symlink traversal for both source and destination directories...

in log4js-node/log4js-node

BUG ======== any unprivileged user can see log file and sensitive information disclosed SUMMURY ============ log4js create log file to store the log . Log may contain many sentsitive information like username,password,token,api-key etc .\ So, this log file should not accessed by other user .\ But...

Use of Uninitialized Variable in vim/vim

Greetings, A Stack Buffer Overflow issue was discovered in Vim. The POC file is reduced to the absolute minimum to reproduce the problem. Please see sanitizer output and the "trimmed" POC file link below. System info OS version : Ubuntu 20.04.2 LTS + Clang 12 with ASan Vim Version : master2446ec9...

Cross-site Scripting (XSS) - Stored in knadh/listmonk

💥 BUG Stored xss via file upload 💥 SUMMURY uploaded file extension only checked in client-side javascript. It must be also checked in server side so that user cant upload html file instead of image . 💥 STEP TO REPRODUCE 1. From your account goto http://localhost:9000/campaigns/media and upload a...

Session is not expiring after password resetting

Description Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs, in this case the session is not getting expired after the password change Proof of Concept 1. Open http://localhost:8188/studio/profile in 2 browsers I use Firefox a...

Out of Bounds Read in scene_manager/loader_bt.c:478

Description Out of Bounds Read in MP4Box. Version $ ./bin/gcc/MP4Box -version MP4Box - GPAC version 2.3-DEV-revrelease c 2000-2023 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io Please cite our work in your research: GPAC Filters: https://doi.org/10.1145/3339825.3394929 GPAC:...

segmentation fault in function f_fullcommand

Description segmentation fault in function ffullcommand at exdocmd.c:4101 Proof of Concept valgrind ./vim -u NONE -i NONE -n -m -X -Z -e -s -S ./pocseg -c :qa! ==14662== Memcheck, a memory error detector ==14662== Copyright C 2002-2017, and GNU GPL'd, by Julian Seward et al. ==14662== Using...