h1-5411-CTF: H1-5411 CTF Writeup

So, Hackerone posted a tweet about the Meme CTF Where barcode was in the tweet image by scanning it and decoding from hex I found this link : https://h1-5411.h1ctf.com/ where we can create/generate a memes and for generating the meme this was used form GitHub which i found in source code analysis...

Automattic: RCE via Print function [Simplenote 1.1.3 - Desktop app]

In Simplenote 1.1.3 - Desktop app there is a stored XSS vulnerability that can be used to execute arbitrary code. If there is malicious code in the note and the user tries to print it for example to save it as a PDF, the malicious code runs. This report is based on the report 291539, by Yasin...

Node.js third-party modules: [cloudcmd] Stored XSS in the filename when directories listing

I would like to report a Stored XSS issue in module cloudcmd It allows executing malicious javascript code in the user's browser. Module module name: cloudcmd version: 9.1.5 npm page: https://www.npmjs.com/package/cloudcmd Module Description Cloud Commander is an orthodox web file manager with...

Mail.ru: [dl.beepcar.ru] CRLF Injection

CRLF Injection via Get request PoC: https://dl.beepcar.ru/qwerty%0ASet-Cookie:%20test=qwerty;domain=.beepcar.ru HTTP Response: HTTP/1.1 302 Moved Temporarily Server: nginx/1.12.2 Date: Tue, 03 Apr 2018 19:20:31 GMT Content-Type: text/html Content-Length: 161 Connection: close Location:...

LocalTapiola: Reflected XSS+CSRF on secure.lahitapiola.fi

Basic report information Summary: The secure.lahitapiola.fi -mail application contains a reflected XSS vulnerability which can be exploited for example with CSRF-attack. Description: As mentioned in the summary, the site contains a reflected cross-site scripting vulnerability. This vulnerability ...

Node.js third-party modules: Prototype pollution attack (assign-deep)

As discussed in 309391, here's the separate report for each of the library. This one is the information for the assign-deep library. Module: assign-deep Summary: Utilities function in all the listed modules can be tricked into modifying the prototype of "Object" when the attacker control part of...

GSA Bounty: Defacement of catalog.data.gov via web cache poisoning to stored DOMXSS

An attacker can deface various pages on catalog.data.gov, leading to them executing malicious JavaScript when visited by a normal user. The root problem is that the server trusts the X-Forwarded-Host HTTP header, and uses this to populate the 'data-site-root' and 'data-locale-root' attributes on...

Gratipay: i am The bug

I am the bug i found a bug in your site here it is F234717 my friend are the greatest hackers hackerone.com/s4k16 and smziaurrashid told me u will giv me $$$ for my father F234723...

Phabricator: IRC-Bot exposes information

You can setup the IRC-Bot, and set it into private channels, so that it posts only information about tasks into private channels. Example: T698 T698: Task title - https://url.example.org/T698 The problem is, that, if the bot is online in IRC, you can send him task numbers via private messages, an...

PortSwigger Web Security: HTTP OPTION Method is Enabled on portswigger.net

Enabled OPTION method on web server allows unauthorized blind submission of privileged GET requests...

HackerOne: Internal attachments can be exported via "Export as .zip" feature

Hello HackerOne Team This newly disclosed report: 182358 Partial disclosure of report activity through new "Export as .zip" feature was not completely fix. I have found that i can still view the attachment after it is being removed on the thread. Best PoC is this 182358 since this is the newly fi...

Ubiquiti Inc.: Subdomain Takeover (moderator.ubnt.com)

Hello Team This report is same as 179110 One of your subdomain http://moderator.ubnt.com is pointing towards 216.58.203.243 moderator.ubnt.com 216.58.203.243 ghs.google.com 216.58.203.243 ghs.l.google.com F134183 And it is unclaimed When I open it it is showing F134184 Impact :- An attacker can...

Shopify: Add signature to transactions without any permission

Hi, I found an endpoint for transaction signing but user permission not checked on this endpoint So an user without any permission in shop can add signature to transactions! Endpoint: /admin/securefiles.json Parameters:...

Zomato: Base alpha version code exposure

An alpha version of our Base product was exposed on a Jenkins server. Thanks @n0rb3r7 for reporting this. During my reconnaissance, I discovered via a self-signed SSL certificate with Zomato listed as the organization name. Upon navigating to the server on port 80, I discovered a default Laravel...

Internet Bug Bounty: Cross-protocol attack on TLS using SSLv2 (DROWN) (CVE-2016-0800)

General DROWN was responsibly disclosed to the OpenSSL team prior to the public disclosure. This OpenSSL blog post, by Viktor Dukhovni and Emilia Käsper, describes the vulnerability: https://www.openssl.org/blog/blog/2016/03/01/an-openssl-users-guide-to-drown/ This is probably a good opportunity ...

LocalTapiola: SQL Injection on `/cs/Satellite` path

Summary There exists an SQL Injection vulnerability on the path /cs/Satellite. This path accepts numerous fields, including blobtable, blobcol, blobkey and blobwhere. It is possible to sufficiently manipulate the the blobwhere field in order to trigger a time-based blind SQL Injection attack. Sco...

Uber: Server version disclosure

Hi uber, maybe this is a low risk but i want to report that the nginx and openresty server version are being disclosed. For openresty: Accessing this url: https://chef.uberinternal.com/ will give you an error "502 Bad Gateway" but you can see on the page that the server version was disclose...

Ruby on Rails: Unsafe Query Generation (CVE-2012-2660, CVE-2012-2694 and CVE-2013-0155) mitigation bypass

Unsafe Query Generation Risk in Active Record There is a vulnerability when Active Record is used in conjunction with JSON parameter parsing. This vulnerability has been assigned the CVE identifier CVE-2016-6317. This vulnerability is similar to CVE-2012-2660, CVE-2012-2694 and CVE-2013-0155...

Radancy: SSL certificate invalid date

This SSL certificate is either expired or not yet valid. Some browsers will continue connecting to the site after presenting the user with the warning, while others will prompt the user with a dialog box requesting their approval to proceed. These warnings are extremely confusing for the typical...

Internet Bug Bounty: AddressSanitizer reports a global buffer overflow in mkgmtime() function

https://bugs.php.net/bug.php?id=68027...

Shopify: XSS on ecommerce.shopify.com

Hello! I would like to report about XSS on ecommerce.shopify.com domain. Here is a PoC that gives You alert box with "123" content: https://ecommerce.shopify.com/grader?url=imdb.jurgens.lv This Ecommerce Store Grader Tool gives You a list of sources of image tags that should have "alt" attribute ...

Phabricator: Server Side Request Forgery in macro creation

mongoose just getting it out of the way ; Hi, I would like to report a Server Side Request Forgery SSRF 1 in the meme creation section of the phabricator software 2. SSRF is a vulnerability allowing requests to be made from the context of the server. This could allow an attacker to gain access to...

Localize: Numerous open ports/services

Looks like you have numerous open ports that also show service versions. An attacker can leverage this information when trying an attack. Ports should be filtered and banners should be removed/generalized. nmap -sV www.localize.io Starting Nmap 6.40-2 http://nmap.org at 2014-04-18 11:08 PDT Stats...

InVision: TLS Renegotiation and Denial of Service Attacks on InVision.

Hi, I found a Bug in your website.It's a TLS Renegotiation and Denial of Service Attacks. Description:- A group of hackers known as THC The Hacker's Choice last week released an interesting DoS tool that works at the SSL/TLS layer. The tool is exploiting the fact that, when a new SSL connection i...

Slack: csrf

Hi, Anti CSRF token to prevent CSRF attacks are missing on this link https://sehacure.slack.com/help/requests/new A new request can be submitted by an malicious guy to the support team on behalf of the user. The victim will never get to know. 1 Go to this link...

Internet Bug Bounty: Secrets not masked in UI when sensitive variables are set via Airflow cli

A vulnerability was discovered in Apache Airflow where sensitive variables set using the Airflow CLI were not properly masked in the UI, specifically in the Audit logs page. This issue was addressed in the 2.10.3 release of Apache Airflow...

U.S. Dept Of Defense: DoD workstation exposed to internet via TinyPilot KVM with no authentication

The DoD workstation was exposed to the internet via a TinyPilot KVM device without any authentication. The TinyPilot KVM device was connected to the workstation and allowed remote access to the system over the internet...

Internet Bug Bounty: Path traversal by monkey-patching Buffer internals

In Node.js 20 and 21, a path traversal vulnerability was introduced due to the ability to monkey-patch Buffer internals. By overwriting Buffer.prototype.utf8Write, an attacker could bypass the path resolution logic and access restricted file system paths. The vulnerability was caused by the...

Internet Bug Bounty: SSRF Vulnerability through Connection test feature

A security vulnerability was found in Apache Airflow versions prior to 2.7.0. An authenticated user with Connection edit privileges could exploit this vulnerability to access connection information and perform a denial of service attack on the server. Upgrading to version 2.7.0 or newer is...

Internet Bug Bounty: DiffieHellman doesn't generate keys after setting a key

A security vulnerability was discovered in the DiffieHellman module of Node.js. The module did not generate new keys after setting a private key, potentially leading to the reuse of nonces and compromising security measures such as forward secrecy and IND-CPA...

HackerOne: An attacker can can view any hacker email via /SaveCollaboratorsMutation operation name

An attacker could view any hacker or normal user's email on HackerOne by sending an invitation via a dummy report, thereby disclosing their private email...

Brave Software: Open redirect due to scanning QR code via brave browser

An open redirect vulnerability was discovered in Brave's QR code scanner, which allowed attackers to direct users to malicious sites without their consent or knowledge. This vulnerability put the security of Brave users at risk and allowed them to be exposed to phishing and malware attacks. The...

U.S. Dept Of Defense: XSS on ( █████████.gov ) Via URL path

An XSS vulnerability was discovered on a government website, allowing an attacker to execute malicious code on the victim's browser and steal their cookies, potentially leading to account takeover. The vulnerability was exploited by injecting a script into the URL path. The suggested mitigation i...

Shopify: Subdomain Takeover at course.oberlo.com

Hi, I was able to takeover your subdomain course.oberlo.com via using kajabi services. Poc : visit https://course.oberlo.com/ you will see my poc https://web.archive.org/web/20220904143512/https://course.oberlo.com/ Suggested Fix : Clear your subdomain DNS. Impact Subdomains Takeovers can be use ...

Internet Bug Bounty: Off-by-slash vulnerability in nodejs.org and iojs.org

Original Report: https://hackerone.com/reports/1631350 The reason for submitting this report is written in the comment of the original report. ---- Summary: Configuration files for Nginx in nodejs/build repository have multiple off-by-slash misconfigurations. Because nodejs.org and iojs.org are...

curl: Integer overflows in unescape_word()

Summary: A similiar issue to CVE-2019-5435 Steps To Reproduce: analysis DICT protocol can use one url like "dict://localhost:3306", and function unescapeword is used to deal with the character in url like this comment c / According to RFC2229 section 2.2, these letters need to be escaped with...

U.S. Dept Of Defense: username and password leaked via pptx for █████████ website

Description: While performing my recon, I can accross this https://███/███████ which contain username and password for accessing your asset here █████ ████ References: ███████ Impact I tried accessing the ip but it is not working here, I f it can be accessed somewhere this will result in full...

U.S. Dept Of Defense: Expired SSL Certificate allows credentials steal

Hi security Team! I've found this website with no valid SSL Certificate. https://██████████ Certificate has expired 314 days ago. Impact Error message can appear on page and user can have his credentials stolen by an attacker capturing the network data. System Hosts ███████ Affected Products and...

Affirm: IDOR to view order information of users and personal information

Summary: Broken access control is the method of controlling which users can perform a certain type of action or view set of data. Broken access control is a vulnerability that allows an attacker to circumvent those controls and perform more actions than they are allowed to, or view content they...

Open-Xchange: Null pointer dereference in lib-sieve after calling sieve_binary_block_index

There are some places that program calls function sievebinaryblockindex without checking the return valuemainly in sieve-binary-dumper.c. Such as: pigeonhole/src/lib-sieve/sieve-binary-dumper.c: bool sievebinarydumperrunstruct sievebinarydumper dumper, struct ostream stream, bool verbose struct...

Engel & Völkers Technology GmbH: Grafana default username password authentication into the Grafana platform of the grafana.ev-cloud-platform.engelvoelkers.com

Summary: Default username password is working for the grafana.ev-cloud-platform.engelvoelkers.com. Steps To Reproduce: Login into the panel as username - █████████ password - █████ Attachment PoC video is attaached. Impact This can lead sensitive information about the server's analytics and other...

Concrete CMS: Arbitrary File delete via PHAR deserialization

crayons : Concrete5 Arbitrary File delete via PHAR deserialization - Target: Concrete5 - Version: 8.5.4 Latest at 2020. 07. 12 / PHP 7.2 - Credit: WSP Lab@KAIST - Contact: [email protected] TL; DR - An attacker can send an arbitrary input value in the isdir function, which causes a PHAR...

Internet Bug Bounty: CVE-2020-9383 Floppy OOB read

A vulnerability was found in Linux Kernel up to 5.5.6 Operating System and classified as critical. Affected by this issue is the function setfdc of the file drivers/block/floppy.c. The manipulation with an unknown input leads to a memory corruption vulnerability Out-of-Bounds. Using CWE to declar...

Shopify: Takeover an account that doesn't have a Shopify ID and more

Details The https://pos-channel.shopifycloud.com/graphql-proxy/admin can be exploited to update a staff member email without any email confirmation. Using the partner dashboard, we've the ability to create a store that doesn't have a Shopify ID account on https://accounts.shopify.com. By using...

Semrush: IDOR in the https://market.semrush.com/

Insecure direct object references in marketplace due to a length restrictions in chosen hashing function...

GitLab: SSRF on project import via the remote_attachment_url on a Note

Summary The Note model has an attachment which is provided by a CarrierWave uploader: ruby mountuploader :attachment, AttachmentUploader One of the features this provides is the ability to download and attach a file via a url, see...

Glassdoor: web.xml configuration file disclosure

Information disclosed via https://www.glassdoor.com/web.xml which has been resolved. Thanks, @stregh for your report and find. Looking forward to more reports from you. CVE-2021-34429 CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N...

DRIVE.NET, Inc.: Хранимый XSS в Business-аккаунте, на странице компании

Приложение уязвимо к атакам Типа "Межсайтовое выполнение сценариев". Тип XSS - Хранимый Persistent. Для воспроизведения атаки нужно зарегистрироваться на сайте drive2.ru и подключить бизнес-аккаунт. После чего переходим в панель управления компанией и заполняем все необходимые поля для успешной...

Uber: [Pre-Submission][H1-4420-2019] API access to Phabricator on code.uberinternal.com from leaked certificate in git repo

A username and certificate was found that allows API access to Phabricator on code.uberinternal.com. This API access could give away source cod and the private phabricator instance of Uber...

RATELIMITED: Banner Grabbing - Apache Server Version Disclousure

Hello RATELIMITED, I'd like to report a nice little bug. Banner Grabbing is a technique used to gain information about a remote server. Additionally, this technique is use to get information about remote servers. I've captured the HTTP request while visiting theendlessweb.com POC: Simply check...