Mail.ru: Sidekiq Dashboard Publicly accessible at http://shopper.staging.instamart.ru/sidekiq/

Sideqiq dashboard was externally available on the http://shopper.staging.instamart.ru/ server in staging testing environment...

Engel & Völkers Technology GmbH: Information disclosure at https://printshop.engelvoelkers.com/packages/.bash_history

Hello! I found .bashhistory in the home directory and this file was accessible through the web screenshot in attachment. This file exposes sensitive information history commands, directories, software version that could help a malicious user to prepare more advanced attacks. POC:...

h1-ctf: [H1-2006 2020] "Swiss Cheese" design style leads to helping Mårten Mickos pay poor hackers

Summary: Several vulnerabilities in the bountypay application leads to unauthorised access, information disclosure, SSRF and other fun stuff. Steps To Reproduce: This is how I helped Mårten Mickos pay the poor hackers who had been waiting so long for their bounties. First part: Web I started by...

Mail.ru: lenta_proxy information disclosure

Sensitive application configuration data disclose on lenta.proxy.instamart.ru...

Lark Technologies: Sub-Dept User Can Add User's To Main Department.

A vulnerability was found where users with permissions to manage the user section can add others outside of their department by changing the value of "departmentid" to an empty value. We thank @imrannisar for reporting this to our team...

h1-ctf: [H1-2006 2020] Multiple vulnerabilities lead to CEO account takeover and paid bounties

Summary: 1. A publicly accessible logfile discloses a user's credentials 2. Weak 2FA implementation allows user account takeover 3. Path injection in user's cookie allows SSRF, bypassing the IP restriction to list available builds on https://software.bountypay.h1ctf.com/ 4. API token leak in...

h1-ctf: [H1-2006 2020] Connecting the dots to send hackers their Bug Bounty

Hello team Thank you so much for organising the ctf it has helped a lot to learn and improve my knowledge now lets got to solution i have preapred short videos as a refrence for each part and broken down ctf in 8 challenges. So the ctf was broken into: 1. Gathering leaking to gain login credentia...

Mail.ru: [account.mail.ru] XSS-уязвимость в форме авторизации

User-assisted XSS in account.mail.ru due to unsafe usage of GET parameter Думаю, что данная XSS'шка является отличным примером того, что фильтрация HTML-символов во входных данных не всегда достаточная мера защиты. Если будем раскрывать уязвимость, то вот более удачная демонстрация, без моих куко...

Nextcloud: Allows any user to share their "Root" level folder by sharing "."

There seems to be a bug in the "File to Share" feature of Nextcloud Talk. This allows any authenticated user/admin to share their "root" level folder by manipulating the "path": parameter in the JSON body request to the remote API /nextcloud/ocs/v2.php/apps/filessharing/api/v1/shares Steps to rep...

h1-ctf: [H1-2006 2020] 36 hours of brain cycles utilized on solving a neat puzzle

Here we go: F852423 Recon: The given scope is: .bountypay.h1ctf.com Found subdomains: bountypay.h1ctf.com api.bountypay.h1ctf.com app.bountypay.h1ctf.com software.bountypay.h1ctf.com staff.bountypay.h1ctf.com www.bountypay.h1ctf.com Relevant GitHub repository:...

h1-ctf: [H1-2006 2020] The Story of Making Bounty Hunters Happy

Disclaimer: I will try to make this post a fun read, given that whoever triagges will be probably going through similar write-ups again and again. The beginning: Being away from HackerOne over a month had made me rusty. Although the call to arms for Mr. Mickos and the community could not be left...

h1-ctf: [H1-2006 2020] CTF Writeup!

The Beginning ===================== The scope of the H1-2006 CTF was .bountypay.h1ctf.com. After opening https://bountypay.h1ctf.com, I noticed that on the top left of the screen there was a dropdown with two login pages: one for Customers https://app.bountypay.h1ctf.com/ and one for Staff...

Zivver: Bypassing Rate limit for forgot password by using different ip addresses

This report describes a valid issue in the rate limiter configuration for the "forgot password" endpoint, in which only the authenticating user's IP address was used as a discriminator. This was resolved by limiting requests based on multiple discriminators including the target account and...

Nextcloud: Re-Sharing allows increase of privileges

User A shares a file/folder to user B with re-sharing permission, but readonly - User B shares this file/folder to User C Needs the shareapidefaultpermissions set to 1 all checkmarks off in admin panel - User B can add write permissions for the share to User C User C may also be anonymous using a...

curl: Poll loop/hang on incomplete HTTP header

Summary: When an incomplete server header is missing its value, the curl client will receive the packet but hang while parsing it. Examples of vulnerable server headers: Location, Content-Range and Connection. Adding the --max-timeoption will terminate the request as intended. Steps To Reproduce:...

Urban Dictionary: DOM XSS through ads

Multiple ads hosted on www.urbandictionary.com make the www.urbandictionary.com origin vulnerable to DOM XSS. Attached is an image of alertdocument.domain executing. The injection works in Firefox and Chrome. Visiting the following URL will probably cause an alert box displaying the document.doma...

Internet Bug Bounty: [CVE-2020-10543] Buffer overflow caused by a crafted regular expression

CVE ID: CVE-2020-10543 See: + https://metacpan.org/pod/release/XSAWYERX/perl-5.30.3/pod/perldelta.pod + https://metacpan.org/pod/release/XSAWYERX/perl-5.28.3/pod/perldelta.pod Impact Potential RCE...

h1-ctf: [H1-2006 2020] CTF Writeup

F851692 ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$ I'll try to have the writeup ready in the following days here: https://hipotermia.pw/bb/h1-2006-ctf-solution It will be password protected and I will post a comment here when it is ready. Thanks for this CTF, I really enjoyed it! Impact -...

HackerOne: SAML Response Reuse on hackerone.com/users/saml/auth

Summary: When logging in with SAML, the user's IDP authenticates the user and generates a SAML response. The IDP then redirects the user's browser back to HackerOne to submit the SAML response. Upon receiving the SAML response, HackerOne validates it, sets a session cookie in the user's browser,...

Mail.ru: Private file read through file attachment

my.com MyMail application for Android could be tricked by malicious local application selected as a file picker by user to copy the file from application folder to insecure location...

Helium: Read-Only user can delete users

hello this endpoint DELETE /api/invitations/0ff7e9f9-877a-40cc-b99f-f6b3b1bea3f8 vulnerable to Insecure Direct Object Reference Steps to reproduce the bug Let's assume that three accounts exist: [email protected] role Administrator [email protected] role Read-Only [email protected] invited user...

Mail.ru: mail.ru/touch xss(r) debug parameter

Reflected XSS in touch version of mail.ru via GET parameter debug...

GitHub Security Lab: Add check for disabled HTTPOnly setting in Tomcat

This bug was reported directly to GitHub Security Lab...

h1-ctf: [H1-2006 2020] [Multiple Vulnerability] CTF Writeup - @abdilahrf_

As there is a private invite for the first 10 solver, i send only the flag now F851115 will complete my writeup on the next comment. Impact Controlling martenmickos account...

h1-ctf: [H1-2006 2020] ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$

Still working on the report figured I should turn it in though :D Impact hugeee...

Nextcloud: The password of a mail share is not set if the password is given when the share is created (Nextcloud < 18)

Create a new mail share with a password by using the OCS endpoint with something like: curl -u admin:admin -X POST -H "OCS-APIRequest: true" "http://localhost/ocs/v1.php/apps/filessharing/api/v1/shares?path=welcome.txt&shareType=4&[email protected]&password=plainTextPassword" - Open the...

Mail.ru: stored xss путём загрузки вредоносного файла + обход загрузки файлов.

Stored XSS via file upload functionality on static.donationalerts.ru /\ \ | \ . \ \ \ \ / \ + . x .\ / -----------/ o \ - .- + ; O \ +- . -'.- . \ \ / ..: - - - VVVVVVV VV V\ / . /./.+- . .- / +-- - . --AAAAAAAA/ | ' /x / x / // \ , x / ' . / . / ' \ / / / / / + | \ / ' / / / / ...

h1-ctf: [H1-2006 2020] CTF Writeup

Hi, The flag is :^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$ F850811 I will do the writeup in the report summary. Regards, Yash Impact None as the money paid was not real...

Ruby on Rails: HTTP Host injection in redirect_to function

Hi team, Here is the sample vulnerable code ruby class TesttestController You are being redirected." end Then it will check if the options, because the input is String, so it will be the concatenate of request.protocol + request.hostwithport + options File actioncontroller\metal\redirecting.rb li...

h1-ctf: [H1-2006 2020] Flag for H1-CTF

F850509 I will submit the write-up today but I need to get some rest, Excellent CTF though, its my firs time ever to solve H1-CTF Impact ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$...

Node.js third-party modules: [wappalyzer] ReDoS allows an attacker to completely break Wappalyzer

Hello folks! please note that I'm reporting two different problematic regexes. module name: Wappalyzer version: 6.0.2 npm page: https://www.npmjs.com/package/wappalyzer Module Description Wappalyzer identifies technologies on websites. Module Stats Weekly downloads: 1,290 88 open issues 16 open...

Node.js third-party modules: [wappalyzer] ReDoS allows an attacker to completely break Wappalyzer

NOTE! Thanks for submitting a report! Please replace all the square sections below with the pertinent details. Remember, the more detail you provide, the easier it is for us to triage and respond quickly, so be sure to take your time filling out the report! I would like to report VULNERABILITY in...

h1-ctf: [H1-2006 2020] CTF

As there is a bonus for first 10 solutions for now I'll just post a flag. F850100 Impact -...

Mail.ru: Local SQL Injection in Content Provider (ru.mail.data.contact.ContactsProvider) of Mail.ru for Android, version 12.2.0.29734

Local SQL injection vulnerability in ContactsProvider of Mail.ru Mail application for Android special permissions required...

h1-ctf: [H1-2006 2020] H1-CTF writeup

Summary: I've just solved the challenge, I will submit the write-up tomorrow. Impact Flag: ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$...

Shopify: xss stored in https://your store.myshopify.com/admin/

hello , i fond xss stored in https://your store.myshopify.com/admin/ steps ; 1. go to https://swqdewd.myshopify.com/admin/menus/new 2. click in Add menu item 3. add name " AND any link 4. now click add 5. click in remove item 6. alert 7. watch the vedio poc for more information Impact xss attack...

h1-ctf: [H1-2006 2020] I successfully solved it!

Hello, I'll get post there the write-up soon. Here is flag: ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$ Sincerely, @zeroxyele Impact null...

h1-ctf: [H1-2006 2020] I made the CEO's bounty payment!

^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$ I will write the details in comment. Impact I have headache now...

h1-ctf: [H1-2006 2020] CTF Writeup

Just submitting Flag for now, Will soon submit Writeup : Impact Flag: ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$...

h1-ctf: [H1-2006 2020] Got the flag

Hey got the flag, will update the writeup soon started 6:00am may 30 BountyPay CTF Challenge Completed! Congratulations, all of the hackers have been paid their Bug Bounty money and you have completed the challange! Please submit your write up to https://hackerone.com/h1-ctf and make sure to...

h1-ctf: [H1-2006 2020] Multiple vulnerabilities leading account takeover

I'm posting flag and will send my write up upcoming days when I clear my mind after this rabbit holes! :D ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$ Impact Multiple vulnerabilities leading attacker to takeover any bounty pay user...

OPPO: No rate limit on Reporting a Threat on [https://community.coloros.com] lead to Increase in the User Group/Points

Summary: When a user signs up on https://community.coloros.com he is assigned with a specific User Group which increases with his activity on the community. I found that there is no rate limit implemented on reporting a threat and due to which a User can abuse this functionality to Increase his...

h1-ctf: [H1-2006 2020] H1-2006 CTF Writeup

Hi! The challenges were really great. I had a lot of fun and I can honestly say I learned a few tricks during this journey. I will be submitting the flag now and will work on a very good writeup until the deadline. My reasoning is that there are two different prizes, one for the first ten and...

Mail.ru: [MY.GAMES] XSS в мессенджере

XSS in store.my.games on chat message...

curl: curl overwrite local file with -J

Summary: curl supports the Content-disposition header, including the filename= option. By design, curl does not allow server-provided local file override by verifying that the filename= argument does not exist before opening it. However, the implementation contains 2 minor logical bugs that allow...

HackerOne: Uploading large payload on domain instructions causes server-side DoS

This was a DoS vulnerability in a specific endpoint that didn't limit the size of the upload. As explained in the hacker summary, we limited the payload to mitigate the attack. Note : To everyone who sees this report, if a program accepts DoS vulnerabilities please try to try test carefully as it...

Engel & Völkers Technology GmbH: XSS reflected in https://tableau.engelvoelkers.com/

Summary: XSS reflected in https://tableau.engelvoelkers.com/ Steps To Reproduce: POC: https://tableau.engelvoelkers.com/en/embeddedAuthRedirect.html?auth=javascript:alertdocument.domain F848501 Impact XSS...

Stripo Inc: multiple email usage -my.stripo.email-

I first went to the "my.stripo.emai" view and registered with my google account. Then I entered the profile. I have replaced my email with an email that is not registered with your google account.I received a verification message on the email I changed. The button was not clicked. I copied it by...

GitHub Security Lab: Java: CWE-532 sensitive info logging

This bug was reported directly to GitHub Security Lab...

X (Formerly Twitter): Private list members disclosure via GraphQL

Summary: Due to improper queries of GraphQL, the attacker can steal members of the private list. Description: Twitter implements a unique GraphQL endpoint, which can use only the queries that Twitter specified. However, there is a flaw in the backend...