h1-ctf: ccc ctf

██████████ will send detailed report later Impact can get admin credentials...

Nextcloud: Default settings leak federated cloud id to lookup server of all users

So with the default settings Nextcloud still sends requests to the lookup server if users update their profile. Even if none of the fields are set to 'published'. I must admit this is somewhat of a surprise as there is no reason for this. As long as the visibility of none of the fields change and...

X (Formerly Twitter): Bypass t.co link shortener in Twitter direct messages

The researcher demonstrated a way to create a link that will not be replaced with safe shortened t.co url, by sending Direct Messages containing more than 50 t.co links to another Twitter user. If the recipient views the message using Twitter’s Android app, and clicks the 51st link in the...

Stripo Inc: Stored XSS at Module Name

Summary: Hello, I found stored xss at module name with this payload "Hello : Steps To Reproduce: 1. Add new container, it doesn't matter which is it 2. Paste this payload in the module name"Hello : 3. Update it then check the module name again in setting 4. Alert Popup Stored XSS Stored cross-sit...

Shopify: [h1-2102] HTML injection in packing slips can lead to physical theft

Summary: A HTML injection vulnerability exists in the packing slip generator, allowing customers to alter the logistical process of their and other's orders for shops that choose to display the user's e-mail address on the packing slip. The success rate depends on the shops setup and can result i...

Internet Bug Bounty: Buffer overflow in PyCArg_repr in _ctypes/callproc.c for Python 3.x to 3.9.1

TL;DR Description Python 3.x through 3.9.1 has a buffer overflow in PyCArgrepr in ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to cdouble.fromparam. This occurs...

TikTok: RCE on TikTok Ads Portal

The video upload endpoint on the TikTok Ads portal was potentially susceptible to remote code execution RCE due to a ffmpeg misconfiguration. We thank @ bubbounty for reporting this to our team and confirming the resolution. During my research on the TikTok Ads portal I found a RCE thought the...

BugPoC: Strict Transport Security Misconfiguration

Hello I have found security vulnerable The vulnerable URL: https://bugpoc.com/icons/bandage.svg Summary The table below shows the numbers of issues identified in different categories. Issues are classified according to severity as High, Medium, Low or Information. This reflects the likely impact ...

Moneybird: Stored XSS on add project

The researcher found a way to store a snippet that was served to him and or other users of his administration. Subsequently the snippet was executed by his browser, making it a viable XSS vulnerability...

BlockDev Sp. Z o.o: A specially crafted value for the 'Cache-Digest' header causing crash in chat.makerdao.com

A specially crafted value for the 'Cache-Digest' header causing crash...

U.S. Dept Of Defense: Stored XSS via Comment Form at ████████

Summary: An attacker can submit a comment form with injected HTML, leading to a number of malicious effects Step-by-step Reproduction Instructions 1. Browse to https://████ 2. Complete the form. I placed " in the Name field. Some example payloads for the Comments field are as follows: For...

Open-Xchange: Pre-auth buffer over-read in Dovecot NTLM implementation

Hi, Dovecot security team. I am Orange from DEVCORE security team. We just did a little security audit on the authentication mechanism of Dovecot, and found a buffer over-read in NTLM implementation. The structure of NTLM field is defined in ntlm-types.h c struct ntlmsspbuffer uint16t length; /...

Basecamp: CSRF on launchpad.37signals.com OAuth2 authorization endpoint

Hi, I found a CSRF in the OAuth2 authorization endpoint on launchpad.37signals.com. That allows a malicious 3rd party application to gain full API access to victim's account in 37signals products that uses OAuth2 authorization. I found that when making a post request to authorization endpoint it...

DataStax: Helpdesk Takeover at dmc.datastax.com

Summary: DNS record dmc.datastax.com is pointing to stale dmc-support.zendesk.com domain on Zendesk which is available for takeover. DNS Stale Records: F661014 Proof of Concept: There was no helpdesk configured at this address, which means that the address was available and anyone could claim it....

Razer: Insecure Logging - OWASP (2016-M2)

The tester discovered that the Razer Pay Android application was storing user data locally on the phone in the clear. An adversary would need access to the phone to obtain this information. The application was patched to avoid storing this information in version 2.10...

U.S. Dept Of Defense: [CVE-2018-0296] Cisco VPN path traversal on the https://██████████

The Cisco VPN vulnerability CVE-2018-0296 was discovered in a previously unidentified instance in the DOD network. The vulnerability allowed path traversal, which could have been exploited to disclose sensitive information such as VPN sessions and files. The issue was addressed by updating to a...

Semmle: Privilege escalation in workers container

Summary about the bugs: In the prepare step, semmle allows user to install new package. By upload a malicious package along with source code and force server to build this package, attacker will gain root access to the container Steps: 1. Create a malicious package contains the backdoor: I use th...

Nextcloud: Wordpress Users Disclosure

Information Using REST API, we can see all the WordPress users/author with some of their information. Step to Reproduce You can get user info by entering below url in your browser: https://nextcloud.com/wp-json/wp/v2/users Reference: 356047 Impact Authors : LTR , LTREditor can be created scenario...

Internet Bug Bounty: Uninitialized read in gdImageCreateFromXbm

This bug is present in gdImageCreateFromXbm method of ext/gd/libgd/gdxbm.c file. This method contains below mentioned lines. c ... unsigned int b; ... sscanfh, "%x", &b; for bit = 1; bit = maxbit; bit = bit 1 gdImageSetPixelim, x++, y, b & bit ? 1 : 0; ... So when sscanf method is not able to rea...

Nextcloud: Uploading large avatar images cause excessive CPU usage

How to reproduce: - Create an account on any server running Nextcloud 13 or 14. - Open the personal settings. - Upload a large image as avatar tested with a 4032x3024 PNG image of about 14.5 MB. - Keep the selected area in the popup and save the avatar. - Notice that the avatar area shows the...

Starbucks: XXE at ecjobs.starbucks.com.cn/retail/hxpublic_v6/hxdynamicpage6.aspx

Description: Hi,guys,when i was visited the jobs of starbucks websites in Chinahttps://ecjobs.starbucks.com.cn, i found a features of uploaded user's photo.Thought the bypass the security restrictions of upload,i can upload html|xhtml|xml|config files etc.The uploaded html file can realize the...

Monero: Monero can leak unitialized memory

See this proof of concept: cpp include include include INITIALIZEEASYLOGGINGPP template static void invokehttpjsonvoid typename T::request ireq; typename T::response ires; std::string reqparam; if!epee::serialization::storettojsonireq, reqparam return; printf"%s\n", reqparam.cstr; int mainvoid...

Keybase: macOS privilege escalation via keybase install

Environment OS: macOS Mojave 10.14.1 Kernel: Darwin Kernel Version 18.2.0 keybase version 2.12.2-20181218171841+29273f4110 Steps to reproduce Note: All steps are executed as an unprivileged user unless otherwise noted. For this PoC the unprivileged user is defined as below $ id test2 uid=508test2...

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,...

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...

RATELIMITED: information disclosure which leak the apache version

Hello ratelimited team ! I have found a information disclosure which leak the apache version Link : https://social.ratelimited.me/manual/en/index.html Impact Leaking the http apache server version...

GitLab: CRLF injection & SSRF in git:// protocal lead to arbitrary code execution

Summary: The implementation of git:// protocal in GitLab is vulnerable to CRLF injection and Server-Side Request Forgery. If the redis server is configured to listen on TCP socket eg. port 6379, an attacker can abuse SSRF to manipulate redis server, injecting malicious payload into systemhookpush...

Ubiquiti Inc.: CORS Misconfiguration leading to Private Information Disclosure

Due to mistake on te CORS policy configuration, the sites https://client.amplifi.com and https://protect.ubnt.com/ CORS policy allowed HTTP requests to be made from certain sites outside the .ubnt.com and .ui.com domains. This bug could be used to steal users information or force the user to...

Chaturbate: Reflected XSS on secure.chaturbate.com

The hacker found that an external asset used for fraud detection on secure.chaturbate.com was not sanitizing input parameters and could be used for reflected XSS. This external asset was removed...

Zomato: [www.zomato.com] SQLi - /php/██████████ - item_id

Thanks @gerbenjavado for helping us keep @zomato secure : Thanks to the entire @Zomato team for doing this challenge. Its a pleasure to be back in the bug bounty game after a while. Introduction So I managed to find SQLi on https://www.zomato.com/php/██████████ in the POST parameter itemid...

WordPress: Account takeover vulnerability by editor role privileged users/attackers via clickjacking

Vulnerability - Editor role privileged users are able to hack into other's account by exploiting clickjacking vulnerability. Version- 4.9.7 Issue- https://make.wordpress.org/core/handbook/testing/reporting-security-vulnerabilities/why-are-some-users-allowed-to-post-unfiltered-html As mentioned pe...

VK.com: [Привязка email к странице] by [email protected] | email-flood

Отсутствие некоторых проверок при привязке почты. Impact: e-mail flood Флуд. █.vk.com/█?act=█&█=█&█=█&█=█&█=█&█=█&█=█&[email protected]&█=█&ref=█ Status: fixed Флуда больше нет. █.vk.com/█?act=█&█=█&█=█&█=█&█=█&chash=█&█=█&ref=█...

New Relic: Blind SSRF in Ticketing Integrations Jira webhooks leading to internal network enumeration and blind HTTP requests

Summary The Ticketing Integrations Jira webhooks for Jira 5/6 and Jira 4 are vulnerable to Blind SSRF issues. These endpoints can be abused to map internal NewRelic network services and send blind HTTP GET and POST requests to identified services. Details The Ticketing Integrations Jira 4 and Jir...

VK.com: Reflected XSS в /al_audio.php

XSS в аудио. XSS в прикреплении аудиозаписи в виджете комментариев...

Zomato: Blind XSS - Report review - Admin panel

Introduction In the Zomato Business app there is the functionality to report a review and give additional details as to why you did report the review. Because I knew this reason would be read by Zomato admins I did insert a blind XSS payload here, which ended up executing on...

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...

HackerOne: Missing Password Confirmation at a Critical Function (Payout Method)

Hey Hackerone Team, Payout being one the very important matter demands to be taken extra precaution. But at our lovable platform "Hackerone" there is no Password Confirmation at one of very critical functions i.e Payout Method/state Change. All the other important functions like : 1. Email Change...

Shopify: Self-XSS in password reset functionality

Hi, When I opened this domain of yours, https://accounts.shopify.com/password-reset/new I just put the following text into email address box, [email protected] it change the colour of the text. Well my point here is that if you could inject HTML, you might be able to add a tag to the page. I...

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...

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...

Bumble: Leave inaccessible messaging system with a message (https://us1.badoo.com)

Hello, to test the messaging system I found a vulnerability that allows Inaccessible leave mensajaria system to another user only required to send a message. The vulnerability is in the system as the mobile version smiles and app do not have that system is only vulnerable version desktop VULNERAB...

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...

X (Formerly Twitter): Can see private tweets via keyword searches on tweetdeck

I'm not the best at finding "why" this happened, but I am pretty sure it's not supposed to. I was keyword searching "protonmail invite" and this came up even though the user was not on public nor did i follow him. I go to twitter.com and search for the exact same tweet, nothing comes up of his...

Internet Bug Bounty: ZIP Integer Overflow leads to writing past heap boundary

https://bugs.php.net/bug.php?id=69253 Integer overflow in the zipcdirnew function in zipdirent.c in libzip 0.11.2 and earlier, as used in the ZIP extension in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 and other products, allows remote attackers to cause a denial of service...

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...

Internet Bug Bounty: libcurl: URL request injection

libcurl: URL request injection CVE-2014-8150...

Mail.ru: [odnoklassniki.ru] XSS via Host

XSS через Host заголовок в браузере Internet Explorer с использованием ошибки перенаправления. PoC: http://blackfan.ru/x?r=http://odnoklassniki.ru%252f%253f%2523"alertdocument.domain" http://blackfan.ru/x?r=http://ok.ru%252f%253f%2523"alertdocument.domain" HTTP Response:...

Internet Bug Bounty: Adobe Flash Player MP4 Use-After-Free Vulnerability

I. Summary Adobe Flash Player is prone to a vulnerability which leads to Use-After-Free. After parsing a malformed mp4 file, Flash will not free the NetStream object properly. Such memory block is still accessed even the page containing Flash is closed, which leads to a memory crash...

WePay: CSRF & Nonce Token Weak Implementation

Hello, this report is a copy of my previous reports sent to your email [email protected] some days ago. Please note that everything written below are copied and pasted from the report. Ticket 437212 : As part of your responsible disclosure program, I am reporting this leakage weak implementation...

joola.io: X-Content-Type-Options header missing

Hello Team The doesn't have a header settings for X-Content-Type Options which means it is vulnerable to MIME sniffing. The only defined value, "nosniff", prevents Internet Explorer and Google Chrome from MIME-sniffing a response away from the declared content-type. This also applies to Google...