Kaspersky: Unauthorized command execution in Web protection component of Anti-Virus products family [IE]

Summary When Kaspersky add-on is installed in Internet Explorer, arbitrary webpages can take control of the Kaspersky command interface and disable parts of the functionality for example. Description Unlike with https://hackerone.com/reports/470544, when the Kaspersky add-on is installed in...

Kaspersky: Unauthorized command execution in Web protection component of Anti-Virus products family

Summary When no browser extension is installed, arbitrary webpages can take control of the Kaspersky command interface and disable parts of the functionality for example. Description Without a browser extension e.g. because extension installation not confirmed by user, unsupported like in MS Edge...

Valve: RCE on Steam Client via buffer overflow in Server Info

Introduction In Steam and other valve games CSGO, Half-Life, TF2 there is a functionality to find game servers called the server browser. In order to retrieve the information about these servers the server browser communicates with a specific UDP protocol called server queries. The protocol is we...

Kaspersky: Kaspersky Protection extension for Google Chrome is vulnerable to abuse its features

Summary The Google Chrome extension "Kaspersky Protection" installed automatically by Kaspersky Internet Security can be tricked by arbitrary websites into uninstalling browser extensions. Description Kaspersky Protection for Google Chrome has some functionality to uninstall malicious browser...

Keybase: Local privilege escalation bug using Keybase redirector on macOS

There's a local privilege escalation bug in the latest version of Keybase for macOS. The issue is in the process of launching keybase-redirector. The process works as follows: 1. Copy keybase-redirector binary to a root-only location 2. Check its signature 3. Launch the binary Code ref. Note the...

Mail.ru: Cross application scripting via account.mail.ru

Crossapplication scripting via User-Agent on push login confirmation functionality in mobile application in the context of account.mail.ru domain allowed session hijacking with minimal user interaction...

U.S. Dept Of Defense: [██████] Cross-origin resource sharing misconfiguration (CORS)

Hi! In this report I want to describe High level bug which can seriously compromise a user account. If I am authorize on this site, I can steal user's sessions, some personal information or do some action. Steps for reproduce 1 Send this request GET...

Shopify: Reflected XSS in *.myshopify.com/account/register

Shopify allows shop admin to enable customer registration. When a customer registers with a short password and HTML content as the first name and last name then customer redirects to .myshopify.com/account/register with error messages and the provided data. As there is no Cross-site Scripting...

GitLab: DoS on the Issue page by exploiting Mermaid.

Summary: An attacker could exploit Mermaid available in Markdown and cause DoS. Description: Markdown supported by GitLab can generate diagrams and flowcharts from text using Mermaid. An Attacker can exploit this function to prevent users from successfully accessing some functions. For example, y...

Mail.ru: Дюп предметов lootdog и возможность их продавать.

It was possible to duplicated item for sale infinitely via modified request on lootdog.io...

Mail.ru: [lootdog.io] User phone number disclosure

User phone could be self-disclosed on lootdog.io...

Keybase: Privilege Escalation via Keybase Helper (incomplete security fix)

In the previous report, about the privileged helper lacks of validation so any applications can abuse it to gain root privilege. But the security fix is incomplete. I can describe 3 different ways to bypass possibly 4, I doubt. All the poc are simplified to not sending the actual attack payload,...

Nintendo: NEX: Stack overflow in UnicodeToUtf8

Vulnerability description not provided...

Upserve : Reflected XSS on https://inventory.upserve.com/ (affects IE users only)

The REQUESTURI was assigned as the value of a hidden field in the login form without proper escaping resulting in a reflected cross-site scripting bug. Browsers were mitigating the issue and IE was only impacted if XSS protection was disabled. We've improved the sanitization of this field. The...

Upserve : Open redirect at https://inventory.upserve.com/http://google.com/

The following URL is vulnerable to an open redirect it will redirect to stanko.sh: https://inventory.upserve.com/http://stanko.sh/ Impact Users could get redirected to malicious domain...

U.S. Dept Of Defense: [Urgent] Critical Vulnerability [RCE] on ███ vulnerable to Remote Code Execution by exploiting MS15-034, CVE-2015-1635

@ashutosh7 found a ███████ server in Shodan, vulnerable to MS15-034, confirmed using Metasploit. Thanks for participating in the DoD VDP. Found a ████ server in shodan, vulnerable to MS15-034. confirmed using Metasploit. will add the link for the writeup...

Nextcloud: Passwords being stored as plain text in logging

When an exception occurs, any password sent to or being processed by the server may be stored as plain text in the log. I noticed that some methods are already being filtered in ExceptionSerializer.php, but many methods are missing from this list. Suggestion: instead of relying on a list of...

Kaspersky: Web protection component in Anti-Virus products family uses predictable links for certificate warnings

Summary Websites can predict links used in certificate warnings, Safe Money prompts, anti-phishing warnings and similar pages. This allows them to initiate actions without the user's knowledge. Description The links used to override certificate warnings have the following format: https:///?kiscup...

QIWI: account takeover https://idea.qiwi.com/

Здравствуйте. Обнаружил account takeover на данном сайте. С воспроизведением придется поднапрячься, но это стоит того. Учитывая то, что на сайте есть админский аккаунт, в теории можно натворить делов. Скажу сразу, что мне не удалось полностью понять механизм работы данного тейковера и я буду очен...

Kaspersky: URL Advisor component in KIS products family is vulnerable to Universal XSS

Summary In Microsoft Edge, URL Advisor UI is served as first-party content on every domain. So the XSS vulnerability I found in this UI automatically applies to all websites, it allows running code in the context of any domain. Description URL Advisor frame is located under...

VK.com: Просмотр новых фотографии со стены частной/закрытой группы или закрытого профиля.

Просмотр некоторых закрытых фотографий...

HackerOne: Submitting report through Embedded Submission form gives user indefinite access to a profile

Summary: Hi team, @jobert , @ben After testing on the sandbox, I noticed that one of my accountswhich I removed from the program can see some of the information. I don't know if it affects other programs that have other States - private-only, private-only whit external link. I could not find the...

Kaspersky: Certificate warnings and similar UI elements in Web protection of Anti-Virus products family are susceptible to clickjacking

Summary Clickjacking can be used to trick users into overriding certificate warnings, disabling Safe Money functionality or phishing alerts. Description On certificate warning pages, a single click is sufficient to trigger overriding a wrong certificate. While an additional warning is displayed...

RATELIMITED: Editable Wiki repo by anyone

Description: I've created wiki page on your github repo without any permission Steps To Reproduce: https://github.com/EndlessHosting/Discord-LiveBot/wiki/Test-here Supporting Material/References: F391468 Impact Going on https://github.com/EndlessHosting/Discord-LiveBot/wiki/Test-here you can add ...

RATELIMITED: Unrestricted File Upload on https://auth.ratelimited.me

Hello security team, Have found a way to upload files that aren't images on https://auth.ratelimited.me/ Steps to reproduce: 1. Login at https://auth.ratelimited.me/ 2. Click "change photo" and intercept with a tool used burpsuite 3. Choose "gravatar" option and change the 'url' parameter to...

arkadiyt-projects: Feature-Policy Header is Missing and Pastebin files

hey your website is very secure but i get only missing Feature-Policy Header if you add this webiste become more secure and i found two pastebin filesusing Google Dork : url : site:pastebin.com https://arkadiyt.com/ 1 https://pastebin.com/feaw9Ti8 2 https://pastebin.com/E0tLN2uJ Impact...

Node.js third-party modules: [webpack-bundle-analyzer] Cross-site Scripting

I would like to report Cross-site Scripting in webpack-bundle-analyzer. It allows injecting and executing arbitray JavaScript code. Module module name: webpack-bundle-analyzer version: 3.0.3 npm page: https://www.npmjs.com/package/webpack-bundle-analyzer Module Description Visualize size of webpa...

Rockstar Games: Account Takeover using Linked Accounts due to lack of CSRF protection

In this report, the researcher found a weakness in our third-party account linking process. They were able to create a malicious link that, if clicked by the victim, would under certain conditions give the attacker access to the victim's Social Club account. This issue has now been fixed...

Valve: Specially Crafted Closed Captions File can lead to Remote Code Execution in CS:GO and other Source Games

With a specially crafted closed captions file, the parser calls CHudCloseCaption::GetNoRepeatValue which in turn calls CHudCloseCaption::SplitCommand which has no boundary checks allowing the on stack variables cmd and args to be overflowed which in turn allows Remote Code Execution. Buffer...

Razer US: DLL Hijacking Vulnerability in synapse-2

The Synapse 2 installer was subject to a DLL planting attack in the Downloads folder. This was fixed in May of 2019...

RATELIMITED: Information Disclosure PHPpgAdmin

PHPpgAdmin is a piece of script which allows system administrators to manage their Postgres databases easily from a webUI. We had forgotten to limit access to this script, resulting in the ability for a brute-force attack to happen...

RATELIMITED: Exposure of tinyMCE js source code with plugin version disclosure which can leads to exploit further attacks.

Hello Security Team Summary : When looking for links and trying for content discovery i found a link on domain support.theendlessweb.com https://support.theendlessweb.com/swift/apps/base/javascript/global/thirdparty/TinyMCE/tinymce.min.js It contains the tinyMCE plugin and the version they are...

GitLab: Claiming package names in GitLab's automatic package referencer.

Hi team, GitLab has a pretty neat feature that auto-links packages to their respective registry. The problem is that GitLab currently assumes that packages have been uploaded to a registry by default. For example, if no homepage key is pointing to GitLab in a package.json file, Gitlab assumes tha...

Monero: Unauthorized access of Monero wallet by an unprivileged process

Description: As per our understanding, Monero wallet app provides a separate executable for the user to enable the RPC interface monero-wallet-rpc. When the user runs the executable, the RPC server will start on a port number that is specified by the user. The RPC server authenticates the client...

Nextcloud: Retrieval and alteration of exposed media on Android Oreo

Good afternoon. Any media downloaded from the cloud server within the Android app is subject to third party modification and server re-upload without explicit user consent. This happens at least on Android Oreo, as data is automatically stored on shared folder...

Grammarly: Grammarly Keyboard for Android <4.1 leaks user input through logs (except for sensitive input fields)

@homelander identified that Grammarly for Android on Android 4.1 was leaking user-entered text to device logs. Currently, Grammarly for Android doesn't support devices with platform versions less than Android 5.0...

New Relic: Ability to view monitor names of other NR accounts through internal API (v3) via "monitor_id" parameter

NR Alerts gives you the granularity to set alert conditions on an alert policy depending on the conditions you specify at the https://alerts.newrelic.com/accounts/ACCOUNTNUMBER/policies/POLICYID/conditions/new URL. When you select an entity for the condition, the application does not check to...

Dropbox: Disclose anonymous accessible link on embedded files in paper dropbox sessions

This report described some of the behavior of the integration between Dropbox and Dropbox Paper. In particular, when embedding a Dropbox file into Dropbox Paper, this implicitly creates a link to that file see https://www.dropbox.com/help/files-folders/view-only-access and embeds it within the...

Kaspersky: Web protection component in Anti-Virus products family ignores HSTS security policy

Summary Kaspersky Internet Security seems to ignore the Strict-Transport-Security HTTP header. This allows Man-in-the-Middle attacks on websites that would normally be immune to them. The only requirement is the user confirming the certificate override, something that can be achieved by social...

RATELIMITED: Information Disclosure on https://theendlessweb.com/

Dear Team, I have found an Information Disclosure Vulnerabilities at https://theendlessweb.com/ Step to Reproduce: Step 1: https://theendlessweb.com/vendor/composer/installed.json Let me know if you need any additional information. Regards, Dhamu. Impact This file expose sensitive information tha...

Paragon Initiative Enterprises: Github repo's wiki publicly editable

Hello Team, Primablock Github repo's wiki page is publicly editable. This enables an attacker to edit the wiki pages of the affected repo's. Adding content that may link to malicious code libraries that would be installed and used by developers or information that may mislead users. Links:...

Ian Dunn: Security issue: Github repo's wiki publicly editable

Hello Team, Github repo's wiki page is publicly editable. This enables an attacker to edit the wiki pages of the affected repo's. Adding content that may link to malicious code libraries that would be installed and used by developers or information that may mislead users. POC Links:...

Nextcloud: Remote attacker can impersonate Social users via ActivityPub API

Hi there! First up I want to acknowledge that Social may not be in scope. I emailed [email protected], which pointed me here, and I wasn't sure whether to just put it in a GitHub issue. In any case I hope I'm not wasting your time. When an HTTP request arrives at the shared inbox endpoint...

Zomato: [www.zomato.com] Blind XSS in one of the admin dashboard

Summary: Admin dasboard ████ from user has XSS Vul Steps To Reproduce: 1. Login ██████ 1. Go to ███ function and intercept request Post data: "/zomato.php?c=zomatoxss" / POST ████ HTTP/1.1 X-Zomato-App-Version-Code: 5610001 ██████████ ███████ X-Zomato-API-Key: ███████ X-App-Language:...

RATELIMITED: Open Directory

Summary: A misconfigured server can show a directory listing, which could potentially yield sensitive information to an attacker. Solution : 1. Disable directory listings in the web- or application-server configuration by default. 2. Restrict access to unnecessary directories and files. 3. Create...

RATELIMITED: Apache Version Disclosure Through Directory Indexing

attention that this is the https part of this domain the url https://pengu.will-never-love.me/ is showing a directory indexing which reveals the version of the Apache and OS of the ser PoC Included Impact The attacker can use the gathered information for further exploitation of the server...

RATELIMITED: Line feed injection in get request leads AWS S3 Bucket information disclosure

Summary: By added line feed control character to the end of url https://ratelimited.me/migration/ it is possible to list elements of bucket name "████████" , also it is possible to view source code of any php file in the bucket such as the php file with key "██████████" which is the...

HackerOne: Response program can create bounty table

Summary: Follow h1 document https://docs.hackerone.com/programs/bounty-tables.htmlgatsby, create bounty table only available for bounty program. Description: Step1: Create request to graphql entrypoint Step2: Change team id in parameter like this: "teamid":"Z2lkOi8vaGFja2Vyb25lL1RlYW0vMzYyOTE="...

WordPress: [FG-VD-18-165] Wordpress Cross-Site Scripting Vulnerability Notification II

Subject: FG-VD-18-165 Wordpress Cross-Site Scripting Vulnerability Notification II Dear Wordpress, Fortinet's FortiGuard Labs have discovered a security issue in your product Wordpress on 12/11/2018. We estimate its risk level is 3, on a scale of 1 lowest to 5 highest, in terms of its impact...

GitLab: Milestones leaked via search API

GitLab allows to restrict the project features for public projects. When disabling all features of a public project for non-project members under https://gitlab.com/xanbanx/test-search/edit, full access to milestones is still possible via the search API. Steps To Reproduce: Reproduced on GitLab...