Shopify: Bypass a fix for report #708013

Summary: customerAccessTokenCreate mutation in the Storefront API does not correctly throttle login attempts. An issue in similar report https://hackerone.com/reports/708013 was already fixed, however, there is still a bypass. Steps To Reproduce: 1. Grab a Storefront API Token I got it from the B...

U.S. Dept Of Defense: XSS because of Akamai ARL misconfiguration on ████

Hello team, I hope you're doing well & healthy. I found a reflected XSS because of the misconfiguration of Akamai ARL. ███████ References - https://github.com/war-and-code/akamai-arl-hack - https://twitter.com/SpiderSec/status/1421176297548435459 - https://warandcode.com/post/akamai-arl-hack/ -...

Brave Software: Brave Browser permanently timestamps & logs connection times for all v2 domains ~/.config/BraveSoftware/Brave-Browser/tor/data/tor.log

Summary: A vulnerability in the Brave Browser v1.28.43 and below allows a local or physical attacker to view the exact timestamps that a user connected to a v2 onion address. A local or physical attacker could read /.config/BraveSoftware/Brave-Browser/tor/data/tor.log identify the exact moment a...

GitHub Security Lab: [GO]: CWE-326: Insufficient key size

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

VK.com: Open redirect в карусели сообщения бота

Открытое перенаправление в каруселях чат-ботов. Уязвимость позволяет перенаправить пользователя на вредоносную ссылку из карусели, минуя away.php...

GitLab: Stored XSS in custom emoji

Summary I found Stored XSS with a feature of custom emoji. This feature hasn't been rolled out yet and need to set feature flags in self management installation. https://gitlab.com/gitlab-org/gitlab/-/issues/231317 The problem is the code here...

U.S. General Services Administration: Weak password policy leading to exposure of administrator account access

Hi, The login endpoint https://mysmartplans.gsa.gov/Marathon/Default.aspx is having weak password policy. During the recon, I came across a mysmartplans overview document http://www.accentimaging.com/accent/pdfs/Accent%20MySmartPlans.pdf . In this document few users are mentioned like - rick, ban...

Nextcloud: Unexpected federated shares added via public link

So I'm not 100% sure if this is an security issue or not. But it is in my opinion at least unexpected and could be handled better to make sure people trust the system. 1. Get a public link share again plenty of those around 2. Click the 'add to your Nextcloud' 3. A federated share is added/create...

Shopify: No Session Expiry after log-out, attacker can reuse the old cookies

The session fixation vulnerability allowed an attacker to reuse old session cookies to log in to a victim's account on the Exchange Marketplace, even after the victim had logged out. The service has been decommissioned, and the issue has been resolved...

U.S. Dept Of Defense: HTTP Request Smuggling

hello dear support I have found HTTP Request Smuggling on www.████████ Issue description ============== HTTP request smuggling vulnerabilities arise when websites route HTTP requests through webservers with inconsistent HTTP parsing. By supplying a request that gets interpreted as being different...

VK.com: Open Redirect и подмена ссылки в сниппете приложения VKMA

Открытое перенаправление в сниппетах ссылок мини-приложений...

Stripe: GRAPHQL cross-tenant IDOR giving write access thought the operation UpdateAtlasApplicationPerson

@bubbounty discovered an Insecure Direct Object Reference IDOR vulnerability that allowed someone with prior Admin access to a Stripe account to add a co-founder to a Stripe Atlas application belonging to the merchant account they used to administer. The issue has been addressed by only allowing...

h1-ctf: Solution for hackyholiday

Summary: Since there is a reward for the first 10 submissions, I'll start by providing the flags: flag48104912-28b0-494a-9995-a203d1e261e7 flagb7ebcb75-9100-4f91-8454-cfb9574459f7 flagb705fb11-fb55-442f-847f-0931be82ed9a flag972e7072-b1b6-4bf7-b825-a912d3fd38d6...

GitHub Security Lab: codeql-go: Expand Go standard library taint-tracking models to 63 packages, 554 models and 733 tests (from ~13 packages, ~103 models, ~50 tests)

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

BugPoC: Reflected XSS at wacky.buggywebsite.com/frame.html

Summary: I solved that CTF to pop alert1 Steps To Reproduce: https://bugpoc.com/pocbp-HoQPW64U PoC ID: bp-HoQPW64U Password: AptBeAGlE03 Supporting Material/References: https://imgur.com/a/ZD7rOvH attachment / reference Impact General XSS impacts. Also, I mistakely used document.domain instead of...

U.S. Dept Of Defense: IDOR + Account Takeover [UNAUTHENTICATED]

1- Open the burp suite. 2- Switch the "Repeater" tab. 3- Paste the content of the attached request into the repeater. 4- Replace the "UID2 = 4820041" value in the cookie with the ID value of the user to be attacked. Also write the user's email in the "userName" input. 5- Replace the victim user's...

TikTok: CSRF To Add New App In Developer Account And Bypassing Json Format

The researcher found a CSRF issue allowing a malicious user to add arbitrary applications to a developer's account...

Node.js third-party modules: [zenn-cli] Path traversal on Windows allows the attacker to read arbitrary .md files

Summary I would like to report path traversal in zenn-cli. It allows the attacker to read arbitrary .md files. Module module name: zenn-cli version: 0.1.39 npm page: https://www.npmjs.com/package/zenn-cli Module Description Manage Zenn content locally 👩‍💻 Module Stats 885 weekly downloads...

Revive Adserver: Reflected XSS on /www/delivery/afr.php (bypass of report #775693)

It is possible to bypass the first fix of this XSS by closing the script tag, and then opening a new one. cURL PoC is trivial : curl "https://revive-instance/www/delivery/afr.php?refresh=10000&alert1" The response will be : Advertisement alert1&loc="', 10000000; // -- body margin:0; height:100%;...

Internet Bug Bounty: CVE-2017-13041 The ICMPv6 parser in tcpdump before 4.9.2 has a buffer over-read in print-icmp6.c:icmp6_nodeinfo_print().

Description: Versions of tcpdump before 4.9.2 are vulnerable to a buffer over-read in print-icmp6.c. This vulnerability was disclosed to the tcpdump maintainers and was recently patched in version 4.9.2 and disclosed as CVE-2017-13041. Patch:...

Mail.ru: SQL LIKE clauses wildcard injection

LIKE clause was misused for session validation in one of https://c-api.city-mobil.ru/v2 API calls, allowing character-by-character session bruterofce. The session validation logic mistakenly allowed wildcards in the authorization token...

FileZilla: FileZilla 3.46.3 - 'Scale factor' Buffer Overflow

Summary: FileZilla in has a problem in the "Scale Factor" field is vulnerable to a Buffer Over Flow attack or a denial attack. Adding random characters in an entry that must accept only Float input type values. Steps To Reproduce: A python file of name generatepaste.py was generated for the...

Kubernetes: Compromise of auth via subset/superset namespace names.

Report Submission Form Summary: Use of nginx.ingress.kubernetes.io/auth annotations results in a file named namespace-ingress.passwd. If user knows the namespace and ingress of an ingress they want to compromise they need to be able to create a namespace that is some subset of namespace-ingress...

MTN Group: Information Disclosure FrontPage Configuration Information /_vti_inf.html in https://www.mtn.co.za/

Hi there i found a information disclosure Microsoft FrontPage configuration in the subdomain https://www.mtn.co.za/ that allows me to see version number and scripting paths off sharepoint using firefox. POC: Go to the following url: https://www.mtn.co.za/vtiinf.html and you will see a blank page...

Mail.ru: SSRF in clients.city-mobil.ru

Limited non-blind SSRF in clients.city-mobil.ru the report was submitted before the launch of dedicated bug bounty scope for Citymobil Non-blind SSRF in apt-cacher, used for getting software updates, allowing limited requests to internal services...

8x8: Publicly accessible .svn repository - aastraconf.packet8.net

The server contained artifacts from an old SVN repository. The files were removed...

Mail.ru: Account Takeover at vseapteki.ru

Insufficient protection against SMS code bruteforcing allowed account takeover in vseapteki.ru Common flaws of SMS auth: https://blog.deteact.com/common-flaws-of-sms-auth/...

GitLab: Git flag injection - local file overwrite to remote code execution

Summary The wikiblobs scope of the Search API can be provided with an arbitrary ref parameter, allowing for additional flags to be injected into the git command. For example the following API call: curl --header "PRIVATE-TOKEN: $TOKEN"...

Zomato: Able to manipulate order amount by removing cancellation amount and cause financial impact

@sjvino identified an issue where it could have allowed to tamper the cancellation amount and pay less than the actual order amount. Steps submitted by the researcher to reproduce the issue maybe it will help new folks in the community to learn something out of it - - Select Items and add them to...

Automattic: Denial of service to WP-JSON API by cache poisoning the CORS allow origin header

The WP-JSON implementation on some wordpress.com websites I've tested is vulnerable to denial of service where by an attacker can provide an arbitrary Origin header in the request, which is then echoed back in the response via the Access-Control-Allow-Origin header, which is cached and served to...

Shopify: Unpublished Product Images can be disclosed

Hi, This looks like a minor issue but felt like it was something worth reporting. Ideally, a product can be published or remain unpublished on any sales channel. If a product remains unpublished, then no information regarding it must be visible to public including product pictures. But I found an...

Monero: Computing hash of crafted block leads to crash in tree_hash()

I'm not sure how to test this against against an actual Monero instance, so I'm instead showing an isolated PoC: c include int mainvoid cryptonote::block b = AUTOVALINITb; for sizet i = 0; i baoss; std::string s; if ::serialization::serializeba, b == true s = oss.str; else return 0; / Uncomment t...

X (Formerly Twitter): Twitter ID exposure via error-based side-channel attack

Twitter ID Confirmator === Summary Recently I discovered a privacy-related vulnerability in Twitter. An attacker exploiting this vulnerability can identify a user when they visit a malicious website. Description Threat model: The attacker knows the victim’s Twitter ID/username and aims at...

Internet Bug Bounty: DOS in stream filters

see bug report https://bugs.php.net/bug.php?id=76249 as simple as one process running in an endless loop Impact DOS, process ends up in an endless loop, CPU or available php processes or both of affected system get easily exhausted...

Semrush: XSS Reflected on my_report

Еще раз привет. На этот раз, кроме HTML-инъекции проходит полноценный XSS в дашбоарде пользователя. Payload: https://www.semrush.com/myreports/api/v1/document%22%3E%3Cimg%20src=x%20onerror=alertdocument.cookie%3E/4007861 PoC: На скрине Impact Кража сессионных куков...

Urban Dictionary: Users able to set video url for unpublished words and able to see the name of unpublished words

Summary Users will be able to set youtube video URL to unpublished words and will be able to see names of an unpublished word. Description Once a user publishes a word and later unpublish it, others user still would be able to set the youtube video URL for it and will be able to see the name of t...

VK.com: доступ к com.vk.usersstore.UsersContentProvider, возможна утечка exchange_token на android < 21

Подмена разрешений на старых версиях Android...

Liberapay: Import of repositories from GitHub is tied to username instead of immutable ID

When a user verifies a Github account at /edit/elsewhere the final result is a Github username tied to a Liberapay account. The issue is Github usernames are mutable. Consider the scenario. 1. I create an account called ed-liberapay something likely to be claimed in the future 2. Verify that I ow...

Mail.ru: Open Redirect In passport.maps.me/logout/?next=//fb.com/

Open redirect on passport.maps.me page...

Mail.ru: Найден build.sh в webagent.mail.ru

Source code of build script for web application was available for download. It could leak some non-sensitive information on internal build processes and configurations...

Weblate: flood of comment no rate limit on commnets >> by using different user agent

It was possible to post 200- 300 of comments within minutes, there was no rate limiting applied...

pixiv: RCE due to ImageTragick v2

Hello Pixiv team! Your Image processing process suffering from ImageTragick v2. Issue is caused by ghostscript RCE findnings. How to reproduce: PATCH /design Host: manage.booth.pm send following image: ------WebKitFormBoundaryXX05yrKS4g8d9CWh Content-Disposition: form-data; name="shopheader";...

Ruby on Rails: Validation bypass for queries generated for PostgreSQL

When using DB for PostgreSQL, I discovered that if a parameter of a query contains null character, there is a pattern in which subsequent strings are lost. how to reproduce Prepare the environment $ rails new postgresqlrails -TB --database=postgresql $ cd postgresqlrails $ bundle exec ruby -v rub...

Shipt: Subdomain Takeover at test.shipt.com

A researcher identified a stale DNS record that pointed to an abandoned test Heroku instance. This allowed for subdomain takeover. This was not an actively used subdomain and was not linked in any of our production applications. Nonetheless, Shipt Security immediately addressed the issue and...

VK.com: Доступ к администраторским faq

Просмотр некоторых закрытых статей FAQ. Уязвимость позволяла получить доступ к талмудам vk.com/tlmdXXX в которых хранится информация для администраторов и модераторов социальной сети ВКонтакте... Получение доступа к адм. информации... @ 500$...

HackerOne: Program metrics disclosed response_efficiency_percentage via /program_name json response despite the team decided not to show on their profile

Hi Team, Summary: First of all, i am not sure if a private program or any program have the capability to not show their response efficiency, but i assume they have because i saw some private programs that do not show response efficiency percentage on their public page. Description: Below list of...

Mail.ru: LFI in beta.mail.ru

Local file read via file:// URI in report's image in beta.mail.ru. beta.mail.ru is not currently covered by bug bounty program. Чтение произвольных файлов сервера путем недостаточной проверки прикрепленных изображений...

U.S. Dept Of Defense: Remote Code Execution (RCE) in a DoD website

SUMMARY: ==================== The DoD https://██████/psc/EXPROD1/ Web System uses the Oracle PeopleSoft platform which is vulnerable to Remote Code Execution RCE and Denial of Service Attacks DoS over a Java Object Deserialization CWE-502 in the “monitor” service. Thus an attacker can generate an...

Node.js third-party modules: [general-file-server] Path Traversal vulnerability allows to read content on arbitrary file on the server

Hi Guys, There is Path Traversal in general-file-server module. It allows to read content of arbitrary files on the remote server. Module general-file-server This is a general file server made by nodejs. It will be easy for you to access the files on the server through the browser...

ownCloud: OS Command Injection via tainted PATH environment variable in findBinaryPath

The PATH environment variable is passed to the find command in owncloud/core/blob/master/lib/private/legacy/helper.php on line 543 is not sanitized for input. If an adversary is able to taint the PATH environment variable, OS command execution is possible utilizing the find command's execute -exe...