Shopify: Sidekiq dashboard exposed at notary.shopifycloud.com

Summary: Hi, I found that the host https://notary.shopifycloud.com/ is exposing a sidekiq dashboard to the internet, for any unauthenticated user to use. I am not very familliar with Sidekiq, but from what I can tell its used for ruby background proccessing. I am fairly certain this dashboard is...

Rocket.Chat: Persistent CSS injection with ’marked’ markdown parser in Rocket.Chat

Summary: Rocket.Chat offers two different markdown parsers out of the box: the ’orginal’ one and the ’marked’ one. Both markdown parsers offer a different set of features with different re- strictions. Due to more loose restrictions in the ’marked’ parser, a persistent CSS injection in the web...

Lark Technologies: Able to steal private files by manipulating response using Auto Reply function of Lark

A IDOR Insecure Direct Object Reference vulnerability was found within the "AutoReply" functions of Lark. This vulnerability could have allowed malicious users to fetch the files of other users if they knew the specific file ID which was an alphanumeric value. We thank @imrannisar for reporting...

Flickr: critical server misconfiguration lead to access to any user sensitive data which include user email and password

Hi flickr team, I found a critical issue lead to access to any user sensitive data which include user hashed password and possibly can lead to takeover any user account on flickr's main site, literally i can get all user information from database with no restrictions , Let me explain how this...

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...

Informatica: CVE-2021-40870 in [███]

An issue was discovered in Aviatrix Controller 6.x before 6.5-1804.1922. Unrestricted upload of a file with a dangerous type is possible, which allows an unauthenticated user to execute arbitrary code via directory traversal. The IP has a SSL certificate pointing to Informatica LLC. curl -kvI...

GitLab: Drive-by arbitrary file deletion in the GDK via letter_opener_web gem

Summary When running gitlab in development, an extra gem used to view emails that have been sent: https://gitlab.com/gitlab-org/gitlab/-/blob/v14.3.0-ee/config/routes/development.rbL14 ruby mount LetterOpenerWeb::Engine, at: '/rails/letteropener' One of the routes it adds is to delete a letter:...

Courier: Session Fixiation allow attacker to create new evil workspace without being logged in [ Insecure Session management ]

Hello, How are you, hope you are doing great in this pandemic. While testing again for the session management related bugs in your application, i found some session related issue where evil person can easily create new workspace from victims account without being logged in, that mean the session ...

U.S. Dept Of Defense: RCE in ███ [CVE-2021-26084]

A vulnerability in affected versions of Confluence Server and Data Center allowed authenticated users, and in some cases unauthenticated users, to execute arbitrary code. The vulnerability was due to an OGNL injection issue affecting endpoints that could be accessed by non-administrators when use...

Mail.ru: [185.30.178.57:8080] - Vulnerable to Jetleak

sfpc.euits.dev-my.games contains a vulnerable to JetLeak web server Jetty...

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...

U.S. Dept Of Defense: [CVE-2020-3452] on ███████

The following subdomain is vulnerable to CVE-2020-3452, which is an unauthenticated file read in Cisco ASA & Cisco Firepower. URL: https://████/ Vulnerable URL: https://███/+CSCOT+/translation-table?type=mst&textdomain=/%2bCSCOE%2b/portalinc.lua&default-language&lang=../ ██████████ Resources:...

Sifchain: CSRF in newsletter form

Hi, i can perform csrf attack on victim on newsletter to receive updates because you dont have csrf protection "csrf token" in request Request: POST / HTTP/2 Host: sifchain.finance User-Agent: Mozilla/5.0 Windows NT 10.0; Win64; x64; rv:88.0 Gecko/20100101 Firefox/88.0 Accept:...

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...

HackerOne: Bypassing the External Link Warning

Summary: As the HackerOne team is aware, the URL https://hackerone.com/users/saml/[email protected] can redirect users to external pages. Because of this, there is a protection in the links created by Markdown to show the user a warning when clicking in any link started with...

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...

Glovo: Server Side Template Injection on Name parameter during Sign Up process

Summary: Server-side template injection is when an attacker is able to use native template syntax to inject a malicious payload into a template, which is then executed server-side. In this scenario, when an attacker signs up on the platform and uses a payload in the First Name field, the payload ...

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...

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:...

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:...

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...

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...

Nextcloud: The password of a mail share is not hashed if the password is given when the share is created

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" - Check the...

Open-Xchange: Null pointer dereference in SMTP server function smtp_string_parse

Sending the following bytes to the SMTP server induces a NULL pointer dereference...

Mail.ru: [staging.tarantool.org] Github Pages Subdomain-take-over

Unused staging.tarantool.org subdomain was delegated to github pages and was not claimed...

h1-ctf: [h1-415 2020] I got the flag

Hey guys, The flag is: h1ctfy3s1mc0sm1cn0w I'll submit a well written writeup later today or tomorrow. I now have a lot of work to catch up thanks to this devilish ctf hehehe. Thanks Ben and the rest of the team for this awesome challenge. Impact Getting the flag...

Valve: [GoldSrc] RCE via 'spk' Console Command

Details: Description RCE can be achieved on clients via the 'spk' console command due to missing length checks before copying into a stack based buffer. POC 1. Place the attached cfg file in the root directory of the game: F676967 2. Launch the game and bring up the console with 3. Type in exec...

Node.js: HTTP request smuggling using malformed Transfer-Encoding header

Please see the attached PDF for a writeup of this vulnerability. Impact Please see the attached PDF for a writeup of this vulnerability...

Node.js third-party modules: Filesystem Writes via `yarn install` via symlinks and tar transforms inside a crafted malicious package

I would like to report an arbitrary filesystem write vulnerability in Yarn when installing a malicious package from the default repositories. This vulnerability has the potential for RCE -- even if --ignore-scripts is disabled. It allows a malicious package, upon install, to write to any path on...

X (Formerly Twitter): XSS on https://app.mopub.com/reports/custom/add/ [new-d1]

Parameter new-d1 Payload Steps to reproduce 1. Go to URL: https://app.mopub.com/reports/custom/add/ 2. Start burp suite proxy, intercept on. 4. Enter payload in vulnerable parameter. 3. click on Run and Save button. 4. You will see java-script getting executed. POST Request POST...

Node.js third-party modules: gitlabhook OS Command Injection

I would like to report OS Command Injection in gitlabhook. It allows execution of arbitrary code on the remote server, that waits for instructions from gitlab. Module module name: gitlabhook version: 0.0.17 npm page: https://www.npmjs.com/package/gitlabhook Module Description This is an easy to u...

Vanilla: Stealing the ip addres from users

Hi team! Summary Pixel that steals your data. By creating an image in https://iplogger.org/ and inserting it in the forum we can steal some data ip, language, geo location of the users who see the message. Steps to reproduce + Set "wyswyg" on + Create an image from https://iplogger.org/ and use t...

Nextcloud: SignUp using Fake Email

In this trial I used the email '[email protected]' and after pressing the SIGN UP button it will automatically redirect to https://ppp.woelkli.com/apps/preferredproviders/password/set/emailfakeforregister/H2qlEWHxQ3yiJgCsEXkR8, not through the account verification process first. For full the link Po...

Nextcloud: Talk - Leak of password-protected room name via already existent resource addition

CVSS ---- Medium 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Description ----------- Affected: Talk / Spreed 6.0.3 The name of shared but password-protected rooms leaks to low-privileged authenticated users. An attacker does not need to guess room IDs, but can simply iterate over IDs to gath...

phpBB: CSS injection via BB code tag "█████"

The input to the "█████" BBcode tag is not properly filtered. It gets converted into a CSS style attribute for a span HTML element. Quotes " are removed, so there's no way to break out of the CSS style attributed. However it is possible to arbitrarily dress the resulting span element. To illustra...

Capital One: Heartbleed Bug

The Heartbleed Bug is a serious vulnerability in the popular OpenSSL cryptographic software library. This weakness allows stealing the information protected, under normal conditions, by the SSL/TLS encryption used to secure the Internet. SSL/TLS provides communication security and privacy over th...

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...

Algolia: Web Cache Deception Attack (XSS)

@testingforbugs identified an issue related to web caching which could lead to XSS attacks...

VLC (European Commission - DIGIT): Access Violation Reading in libfaad_plugin

1 Basic info of application 1.1 Info of application Application Name VLC media player for Windows Application Version 4.0.0-dev Otto Chriek Download Address http://nightlies.videolan.org/ Testing OS Windows 8 2 Info of test file 2.1 Test file info Normal file name normal.mkv Normal file type...

Upserve : Open redirect on https://hq-api.upserve.com/

The returnto parameter on https://hq-api.upserve.com/auth/auth0?prompt=none&returnto= was not validated and allowed an open redirect...

HackerOne: report id is exposed for undisclosed reports in Hacktivity

Summary: This is similar to https://hackerone.com/reports/127620 where the report Id of undisclosed report is visible on graphql query Description: The new hacktivity graphql query includes undisclosed reports, but part of the query result is the report id which is included in private information...

Node.js third-party modules: [bower] Arbitrary File Write through improper validation of symlinks while package extraction

I would like to report file write in arbitrary locations via install command in bower It allows attackers to write arbitrary files when a malicious package is extracted. Module module name: bower version: 1.8.4 npm page: https://www.npmjs.com/package/bower Module Description Bower offers a generi...

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

Подмена разрешений на старых версиях Android...

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="...

Infogram: Stored XSS in infogram.com via language

The stored XSS was found in the language profile parameter. POC: Change profile settings with following request: http PUT /api/users/me HTTP/1.1 Host: infogram.com User-Agent: Mozilla/5.0 X11; Linux x8664; rv:63.0 Gecko/20100101 Firefox/63.0 Accept: / Accept-Language: en-US,en;q=0.5...

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...

BOHEMIA INTERACTIVE a.s.: Stealing Users OAUTH Tokens via redirect_uri

Hi, I would like to report an Open redirection on oauth redirecturi which can lead to users oauth tokens being leaked to any malicious user. Detail During the OAUTH flow, the redirecturi on https://accounts.bistudio.com is not properly validating that the URL given is proper, as such a bypass of...

DuckDuckGo: SSRF vulnerability on proxy.duckduckgo.com (access to metadata server on AWS)

Hello, I saw that SSRF on proxy.duckduckgo.com is out of scope but because of the severity I wanted to report this. The payload is simple: curl "https://proxy.duckduckgo.com/iur/?f=1&imagehost=http://169.254.169.254/latest/meta-data/" Response from the server: ami-id ami-launch-index...

Node.js third-party modules: [samsung-remote] Command injection

I would like to report a command injection vulnerability in the samsung-remote npm module. It allows arbitrary shell command execution through a maliciously crafted argument. Module module name: samsung-remote version: 1.2.5 npm page: https://www.npmjs.com/package/samsung-remote Module Descriptio...