Nord Security: CORS Misconfiguration on nordvpn.com leading to Private Information Disclosure,Account takeover

Summary: An cross-origin resource sharing CORS policy controls whether and how content running on other domains can perform two-way interaction with the domain that publishes the policy. The policy is fine-grained and can apply access controls per-request based on the URL and other features of th...

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...

curl: curl successfully matches IP address literal in URL against IP address literal in certificate Common Name

Summary: A user may invoke the curl command line utility with an IP address literal in the URL, such as https://192.168.124.2/... If the HTTPS server presents a certificate whose Common Name matches this IP address literal as a string that is, Common Name is the ASCII string 192.168.124.2, then...

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/...

Node.js third-party modules: [treekill] RCE via insecure command concatenation (only Windows)

I would like to report a RCE issue in the treekill module. It allows to execute arbitrary commands remotely inside the victim's PC Module module name: treekill version: 1.0.0 npm page: https://www.npmjs.com/package/treekill Module Description treekill process and it's all children and child...

QIWI: Обход комиссии на переводы

Обход комиссии на переводы...

GitLab: Stored XSS for Grafana dashboard URL

Hi GitLab Security Team Summary I found a stored XSS vulnerability in the admins page. The administrator can set up a Grafana dashboard. Here, the administrator can either enter a relative URL or an absolute address. However, when adding an absolute URL, the protocol is not checked allowing to ad...

GSA Bounty: Information disclosure (system username, server info) in the x-amz-meta-s3cmd-attrs response header on data.gov

Hi Team, I noticed, that the x-amz-meta-s3cmd-attrs response header returns sensitive information, like system username on data.gov x-amz-meta-s3cmd-attrs: uid:0/gname:root/uname:root/gid:0/mode:33184/mtime:1513269652/atime:1513269652/md5:2049644b6b833f5dbb826f60a4721f64/ctime:1513269652 Server:...

curl: Active Mixed Content over HTTPS

Summary: Resources Loaded from Insecure Origin HTTP Steps To Reproduce: Vulnerability Details detected that an active content loaded over HTTP within an HTTPS page Remedy There are two technologies to defense against the mixed content issues: HTTP Strict Transport Security HSTS is a mechanism tha...

Mail.ru: web.icq.com XSS in chat message via contact info

web.icq.com XSS in chat message via contact info...

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...

Mail.ru: XSS при загрузке изображения на [games.mail.ru]

Do-it-yourself XSS self-XSS via crafted file name in support request on games.mail.ru Insufficient filtering of dangerous tags when uploading images on games.mail.ru in technical support tickets...

QIWI: Обход комиссии на переводы

Доброго времени суток. Не так давно мне на кошелек подключили тариф «Активный пользователь кошелька» Этот тариф подразумевает 2% комиссии на переводы. Меня, соответственно, это крайне не устроило и я решил пойти искать обход. После недолгих поисков удалось найти дыру вот здесь...

InnoGames: Chaining Bugs: Leakage of CSRF token which leads to Stored XSS and Account Takeover (xs1.tribalwars.cash)

The referrer leaked the CSRF code, when opening an embedded PHP file set by the images function in tribe forums. Due to a premium function, which allows players to store and run Javascript scripts during the game, the session ID could be grabbed, as it was mistakenly embedded into the DOM. This...

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...

GitLab: Local files could be overwritten in GitLab, leading to remote command execution

Summary Arbitrary file overwrite A new feature download a directory of a repository in GitLab 11.11 introduced some changes in ./internal/service/repository/archive.go of Gitaly. go func handleArchivectx context.Context, writer io.Writer, in gitalypb.GetArchiveRequest, compressCmd exec.Cmd, forma...

Trint Ltd: IDOR in changing shared file name

Summary: Hi Trind LTD, I have found a IDOR vulnerability in https://app.trint.com . An user can change shared file names through this IDOR. Steps To Reproduce: 1. Create a file from account B 2. Capture the request of renaming the file as shown in sample request 3. Create a file from account A an...

Mail.ru: Rails application running in development mode

autodiscover.staging.geekbrains.ru was running Ruby on Rails in development mode...

50m-ctf: $50 million CTF Writeup

Summary: For a brief overview of the challenge you can take a look at the following image: F451370 Below I will detail each step that I took to solve the CTF, moreover all the bad assumptions that led me to a dead end in some cases. Twitter The CTF begins with this tweet: F451371 What is this...

MariaDB: smtp service vulnerable to POODLE SSLv3

One of our package servers had an old smtpd service linked with openssl 1.0.1i, which uses nondeterministic CBC padding, making it easy for man-in-the-middle attackers to obtain cleartext data via a padding-oracle attack, aka the "POODLE" issue. The service has been disabled for the internet, as ...

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...

Nextcloud: Missing DNSSEC

The nextcloud.com domain does not have DNSSEC enabled...

WePay: Active mixed content issues on the site https://stage-go.wepay.com.

Hello. Summary: Page https://stage-go.wepay.com/static/ contains active mixed content: Description: Passive mixed content is content sent over HTTP that is contained on the HTTPS page, but which can not change other parts of the page. For example, an attacker can replace a picture sent via HTTP...

GitLab: Attacker is able to access commit title and team member comments which are supposed to be private

Summary: add summary of the vulnerability Description: add more details about this vulnerability Steps To Reproduce: To reproduce this vulnerability, we need two accounts, lets say those accounts are: - [email protected] - [email protected] - Create a project from account [email protected] with th...

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...

Notepad++: No SearchEngine sanatizing can lead to command injection

Information: Summary: Notepad++ is vulnerable to a command injection vulnerability. Debug Info: Notepad++ v7.6.3 32-bit Build time : Jan 27 2019 - 17:20:30 Path : C:\Program Files x86\Notepad++\notepad++.exe Admin mode : ON Local Conf mode : OFF OS : Windows 10 64-bit Plugins : none Description:...

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...

RATELIMITED: Server Header disclose The Os and Web server Version

Server header was present and disclosed the version of the web server and OS in HTTP responses. Server header was present and disclosed the version of the web server and OS...

Zendesk: Blind XSS via Suspended Ticket Recovery

A cross-site scripting XSS vulnerability was reported to us. We validated the issue, investigated to ensure it wasn't exploited, and implemented a remediation to all customers. Big thanks to @trimatra-sec who was a pleasure to work with!...

GitLab: GitLab's GitHub integration is vulnerable to SSRF vulnerability

The GitHub service is vulnerable to a SSRF vulnerability. An attacker may be able to leverage this to make arbitrary POST requests in a GitLab instance's internal network. It can also be used to connect to cloud provider's instance metadata API, which may result in the ability to execute commands...

h1-5411-CTF: Flag WriteUp

Hello everyone , here is my writeup : Intro First I decoded the QR Code of the tweet , decoding to Here you go: 68747470733a2f2f68312d353431312e68316374662e636f6d . Decoding the hex value we get the challenge URL : https://h1-5411.h1ctf.com Path traversal + local file read On the website I found...

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...

Node.js third-party modules: Command Injection Vulnerability in libnmap Package

I would like to report a command injection vulnerability in libnmap. It allows an attacker to inject arbitrary OS commands instead of a valid network range to be scanned. Module module name: libnmap version: 0.4.11 npm page: https://www.npmjs.com/package/libnmap Module Description API to access...

Node.js third-party modules: Command Injection is ps Package

I would like to report a command injection in ps package. It allows attacker to inject arbitrary OS commands instead of PID numbers. Module module name: ps version: 0.0.2 npm page: https://www.npmjs.com/package/ps Module Description A Node.js module for looking up running processes. Module Stats ...

WordPress: xss - reflected

vulnerable url: http://masterplan.wordpress.net/store/checkout/ payload: 1 Main Streetzbn0b"alertdocument.cookiek8ez0 vulnerable parameter: billing-address Request: POST /store/checkout/ HTTP/1.1 Host: masterplan.wordpress.net Accept-Encoding: gzip, deflate Accept: / Accept-Language: en...

Mail.ru: Вывод значений переменных Nginx в теле страницы

При обращении к url вида: https://biz.mail.ru/$имяпеременнойnginx Значение этой переменной попадет в страницу ответа 404, во все места вида: e.mail.ru/login?lang=ruRU&Page=https%3A%2F%2Fbiz.mail.ru%2Fзначениепеременнойnginx Примеры запросов: 1 https://biz.mail.ru/test$realpathroot в ответе:...

Liberapay: Exploiting JSONP callback on /username/charts.json endpoint leads to information disclosure despite user's privacy settings

Hello! Vulnerability Details The /username/charts.json endpoint can return a JSONP callback due to the fact that jsonpdump is used in the file charts.json.spt. It appears that the content of the JSONP request depends on the authentication of the user. If the user enabled the privacy setting which...

Liberapay: csrf token did not changed after login/logout many times

hello team, your csrf token did not expired and after login and logout many times , i found that your csrf token is generated same as last one. Impact if an attacker found an xss on your domain and you fixed it but attacker still has csrf token of user, attacker can use it to perform any action...

Node.js third-party modules: Privilege escalation allows any user to add an administrator

I would like to report privilege escalation in the npm module express-cart. It allows a normal user to add another user with administrator privileges. Module module name: express-cart version: 1.1.5 npm page: https://www.npmjs.com/package/express-cart Module Description expressCart is a fully...

Internet Bug Bounty: Silent omission of certificate hostname verification in LibreSSL and BoringSSL

Abstract LibreSSL and BoringSSL implemented X509VERIFYPARAMset1host differently than OpenSSL. All applications that use the preferred and documented way to configure a TLS connection for hostname validation, silently neglect to perform hostname validation at all. As a consequence, they are...

Deriv.com: Leaking Referrer in Reset Password Link

On 12th Dec flex0geek reported that binary.com was leaking password reset tokens through referer headers . At first this sight the report was closed as we had fixed this earlier and our code base seemed fine . Later on the researcher sent a video POC which did show that we were leaking password...

Open-Xchange: Adding external participants to unaccessible appointments

Description When making an appointment users are able to invite additional participants which do not have an open-xchange account. However, it appears than any user can invite external participants to any appointment even this appointment is not accessible for him. Additionaly using the same bug...

AlienVault : [www.threatcrowd.org] - reflected XSS

Summary: I have found a reflected XSS in https://www.threatcrowd.org/graphHtml.php, in GET parameter email. Browsers Verified In: Firefox 56.0.1 Steps To Reproduce: 1. Browse to https://www.threatcrowd.org/graphHtml.php?email=%27-alertdocument.domain-%27 2. Click on the embed functionnality in th...

Razer US: Open redirect on oauth2.razerzone.com caused by server misconfiguration when using triple slash after hostname

Another solid report form this tester, who helped us nail down the issue when it was only intermittently reproducible. We appreciate the hard work. I discovered the Open Redirect on the oauth2.razerzone.com due to improper handling of multiple/encoded slashes and dots in the URL path. POC link:...

WakaTime: Session not expired on logout

Description: Session management issue in https://wakatime.com Cookies are used to maintain session of the particular user and they should expire once the user logs out of his account.In secure web application,Cookies immediately expire once the user logs out of his account. But this is not...

WakaTime: Leaking password reset token via referrer from external Twitter share button

Hi Team, Description It has been identified that the application is leaking referrer token to third party sites. In this case it was found that the pasword reset token is being leaked to third party sites which is a issue knowing the fact that it can allow any malicious users to use the token and...

Weblate: Option method enabled

Description HTTP OPTIONS method is enabled. Affected URL : https://demo.weblate.org/ https://weblate.org/en/ https://hosted.weblate.org PoC curl -X OPTIONS https://hosted.weblate.org -vv Output aku@galau:$ curl -X OPTIONS https://hosted.weblate.org -vv Rebuilt URL to: https://hosted.weblate.org/...

Paragon Initiative Enterprises: Full directory path listing

STEP: ==================== 1. goto https://bridge.cspr.ng/login and enter your username,password 2. click "LogIn" and intercept the request 3. change the value in cookie header and add 'single quote in PHPSESSID field eg: PHPSESSID=kn7e21dpp2ocai2ckn1v147qev' 4. Forward the packet and see full pa...

Internet Bug Bounty: CVE-2017-8798 - miniupnp getHTTPResponse chunked encoding integer signedness error

Integer signedness error in miniupnpc 1 allows remote attackers to cause a denial of service condition access violation and heap corruption via specially crafted HTTP response An integer signedness error was found in miniupnp's miniwget allowing an unauthenticated remote entity typically located ...

Paragon Initiative Enterprises: I am because bug

I'm because I hacker found bug because I report this bug I want to report a bug and because want some $$$$ so please because you are telling me how much you pay money so I give you bug. Me because very poor :' want money because father :' F181832 Thank you wish you because pay lots $$$$$$$$...