U.S. Dept Of Defense: Self stored Xss + Login Csrf

Description: User can set username between 8-20 alphanumeric characters, but with the help of inspect element attacker can manipulate ██████= & can insert a xss payload resulting in self stored xss & with the help of login csrf attacker can force the victim into attacker's account causing...

Algolia: email verification bypass

An issue in the way email modification was handled during the email verification process allowed the creation of account with arbitrary email address, bypassing the email verification step. A logical flaw resulting in email verification bypass! :D...

Node.js third-party modules: [json8-merge-patch] Prototype Pollution

I would like to report a Prototype Pollution vulnerability in json8-merge-patch The apply function fails to restrict access to prototypes of objects, allowing for modification of prototype behavior. Module module name: json8-merge-patch version: v1.0.1 npm page:...

U.S. Dept Of Defense: IDOR to Account Takeover on https://████/index.html

Hello Team! Summary: I found when you wish to update your profile on https://███████/ after your login through https://██████████/signIn/signIn.html website due to an IDOR. This IDOR gives you the opportunity to change the origin email for the registered account by changing the ID parameter on th...

Open-Xchange: Null dereference in `cmd_denotify_operation_execute`

To reproduce, run test suite on following input : require "vnd.dovecot.testsuite"; require "notify"; require "envelope"; test "D Middle" // notify :options "timo@exat"; denotify :is "noot"; if not testresultexecute testfail "fat"; Output is with ASAN enabled stack trace...

Yelp: Clickjacking lead to remove review

Steps To Reproduce: 1. Open iframe F960017 2. You can remove reviews from this iframe Impact Clickjacking lead to remove reviews...

Concrete CMS: Arbitrary File delete via PHAR deserialization

crayons : Concrete5 Arbitrary File delete via PHAR deserialization - Target: Concrete5 - Version: 8.5.4 Latest at 2020. 07. 12 / PHP 7.2 - Credit: WSP Lab@KAIST - Contact: [email protected] TL; DR - An attacker can send an arbitrary input value in the isdir function, which causes a PHAR...

Internet Bug Bounty: CVE-2020-9383 Floppy OOB read

A vulnerability was found in Linux Kernel up to 5.5.6 Operating System and classified as critical. Affected by this issue is the function setfdc of the file drivers/block/floppy.c. The manipulation with an unknown input leads to a memory corruption vulnerability Out-of-Bounds. Using CWE to declar...

X (Formerly Twitter): XSS via referrer parameter

Description Hi, i would like to report an XSS via javascript scheme in https://www.twitterflightschool.com/student/award/ID?referer=, the payload e need just a click of user to be triggered because the link will be placed in a tag...

Helium: unpermitted user can change the device name of admin account

Invited user with only the read-only permission can change the device name in admin account 1.create two account 'A 'and 'B ' in console.helium 2.Invited the account 'B' with 'A' by giving the read-only permission 3.In account 'B' trying to delete the organization created by admin account 'A' and...

GitLab: SSRF on project import via the remote_attachment_url on a Note

Summary The Note model has an attachment which is provided by a CarrierWave uploader: ruby mountuploader :attachment, AttachmentUploader One of the features this provides is the ability to download and attach a file via a url, see...

Mail.ru: CSRF on https://market.my.games

Description Hi team, While exploring https://market.my.games/ domain, I got this domain is vulnerable to CSRF. This site include an X-CSRFToken in headers but it seems the server doesn't validate it at all. Many endpoints require application/json as their content-type so we can't exploit this iss...

Node.js: napi_get_value_string_X allow various kinds of memory corruption

Summary: napigetvaluestringlatin1, napigetvaluestringutf8, napigetvaluestringutf16 are vulnerable to buffer overflows, partially due to an integer underflow. Description: napigetvaluestringlatin1, napigetvaluestringutf8, and napigetvaluestringutf16 behave like this: 1. If the output pointer is...

8x8 Bounty: Reflected xss on 8x8.vc

A reflected cross-site scripting issue was discovered within the account setup workflow of 8x8.vc...

Grammarly: “email” MFA mode allows bypassing MFA from victim’s device when the device trust is not expired

Summary: It is possible bypass MFA without the need to have the phone code. Description: When we turn on the MFA and we have the user and password of the user, it is possible bypass the MFA only changing some values the endpoint POST auth.grammarly.com//v3/api/login Steps To Reproduce: Note: - Us...

Internet Bug Bounty: Out of Bounds Memory Read in php_jpg_get16

I have found and reported an out of bounds memory read in PHP phpjpgget16 When PHP EXIF extension is parsing EXIF information from an image, e.g. via exifreaddata function, in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 it is possible to supply it with data what will...

TomTom: Reflected XSS on www.tomtom.com

Summary: XSS on www.tomtom.com is very dangerous, if this vulnerability misused by Attacker to steal cookie it will be fatal for other users. Proof of Concept: - I tried to visit https://www.tomtom.com/enau/search/ - Then, search using keyword: TEST" - I realized double quote " is reflected - So,...

Valve: Unchecked weapon id in WeaponList message parser on client leads to RCE

Let's look at WeaponList message parser code in the HLSDK: cpp int CHudAmmo::MsgFuncWeaponListconst char pszName, int iSize, void pbuf BEGINREAD pbuf, iSize ; WEAPON Weapon; strcpy Weapon.szName, READSTRING ; Weapon.iAmmoType = intREADCHAR; Weapon.iMax1 = READBYTE; if Weapon.iMax1 == 255...

Monero: Zero-amount miner TX + RingCT allows monero wallet to receive arbitrary amount of monero

NOTE! Thanks for submitting a report! Please replace all the square sections below with the pertinent details. Remember, the more detail you provide, the easier it is for us to verify and then potentially issue a bounty, so be sure to take your time filling out the report! Summary: By mining a...

X (Formerly Twitter): url that twitter mobile site can not load

Summary: A url that twitter mobile site can not load, crushes any page containing this url Description: Invalid hex characters crushes twitter mobile site as example go to https://mobile.twitter.com/?%xx twitter won't load. 1 Sending such url on a direct message, twitter will no longer be able to...

Internet Bug Bounty: null pointer dereference in imap_mail

in imapmail if message args is null, in phpimapmail no check wheater message can get, so crash. fprintfsendmail, "\n%s\n", message; /usr/local/php/bin/php ./craxxx.php Warning: imapmail: No message string in mail command in /home/fan/github/php-7.2.10/myselffuzz/craxxx.php on line 3 sh: 1: -t: no...

Liberapay: Broken Authentication and session management OWASP A2

Hello @liberapay, Description: It seems now if attacker has csrf token & victim cookies then attacker can easily login to victim account without any login details. No need Of Any Username/Password Theory Proof-Of-Concept: - Go to https://liberapay.com/admin.101/edit/username any username/Self...

Uber: [usuppliers.uber.com] - Server Side Request Forgery via XXE OOB

It was possible to determine open internal ports on an usuppliers.uber.com server, via examination of different error messages to a specific POST request made with various payloads. This error message discrepancy would allow an attacker to discover open internal ports, potentially allowing more...

Starbucks: svcardproxydevus.starbucks.com Subdomain take over

You have left a dns record pointing to a dead cloudapp vm. svcardproxydevus.starbucks.com - s00307ntmp0svcardproxydev0.trafficmanager.net - s00307dpipsvcardproxy00.eastus.cloudapp.azure.com = Dead Impact 1 Attacker takes over subdomain and then puts something like porn or something that shouldn't...

Internet Bug Bounty: CVE-2018-12882: heap-use-after-free in PHP 7.2 through 7.2.6, possible 7.2.7

exifreaddata in PHP 7.2 through 7.2.6 and possibly 7.2.7 is vulnerable to a heap use after free when fed a specially crafted JPEG. Any online service that uses PHP 7.2 and reads EXIF data from uploaded JPEGs is potentially vulnerable to this flaw. USEZENDALLOC=0 ./php-e147eb2 -r...

Reverb.com: Full account takeover

Hello Team, I got a security issue in reverb ios application which allows an attacker hack all users account. Since iOS application is not in the scope but still I am reporting this, because this vulnerability may compromise all users account. Please resolve this quickly. Desription: Reverb ios...

Node.js third-party modules: Prototype pollution attack (assign-deep)

As discussed in 309391, here's the separate report for each of the library. This one is the information for the assign-deep library. Module: assign-deep Summary: Utilities function in all the listed modules can be tricked into modifying the prototype of "Object" when the attacker control part of...

Mapbox: Admin Panel Accessed (OAuth Bypassed )

On December 4, 2017, @aneeskhan reported an authentication bypass vulnerability on a Mapbox internal portal. The vulnerability allowed them to bypass OAuth authentication and generate a valid session for the site. This session was then used by @aneeskhan to access information on the portal which...

Gratipay: i am The bug

I am the bug i found a bug in your site here it is F234717 my friend are the greatest hackers hackerone.com/s4k16 and smziaurrashid told me u will giv me $$$ for my father F234723...

Legal Robot: design issue exists on login page

legalrobot allows an user to set email as password only by resetting password either by logged in and changing it into profile password changed succesfully but the user couldn't log in to the app.legalrobot.com because js checks with email and password and it states it couldn't be same also not...

HackerOne: IE 11 Self-XSS on Jira Integration Preview Base Link

I wasn't sure if you would accept this report due to it being Self-XSS, but I figured it might be useful information because it breaks one of the flows used to validate URLs. Steps ==================== 1. Launch IE 11 2. Log into a HackerOne account that has admin on a program. 3. Go to the...

Gratipay: Gratipay uses the random module's cryptographically insecure PRNG.

Dear Gratipay bug bounty team, Summary --- Gratipay currently uses the random module's pseudo-random number generator which is not a cryptographically secure PRNG as stated in the docs: The pseudo-random generators of this module should not be used for security purposes. For security or...

Zomato: Base alpha version code exposure

An alpha version of our Base product was exposed on a Jenkins server. Thanks @n0rb3r7 for reporting this. During my reconnaissance, I discovered via a self-signed SSL certificate with Zomato listed as the organization name. Upon navigating to the server on port 80, I discovered a default Laravel...

Internet Bug Bounty: Cross-protocol attack on TLS using SSLv2 (DROWN) (CVE-2016-0800)

General DROWN was responsibly disclosed to the OpenSSL team prior to the public disclosure. This OpenSSL blog post, by Viktor Dukhovni and Emilia Käsper, describes the vulnerability: https://www.openssl.org/blog/blog/2016/03/01/an-openssl-users-guide-to-drown/ This is probably a good opportunity ...

Instacart: API OAuth Public Key disclosure in mobile app

Our Android/iOS app can be decompiled and the OAuth Public token can be accessed. Contrary to Instacart's summary, the API private key is also leaked, allowing anyone to use Instacart's private API without restriction. Instacart which I have found to be great in general ignored my additional...

Ruby on Rails: Unsafe Query Generation (CVE-2012-2660, CVE-2012-2694 and CVE-2013-0155) mitigation bypass

Unsafe Query Generation Risk in Active Record There is a vulnerability when Active Record is used in conjunction with JSON parameter parsing. This vulnerability has been assigned the CVE identifier CVE-2016-6317. This vulnerability is similar to CVE-2012-2660, CVE-2012-2694 and CVE-2013-0155...

Udemy: Able to view others' gifts on /gift/share URL, giftId is predictable, and easy to manipulate

I recently purchased a gift for a friend, and noticed the share URL gift ID was simply numeric. I managed to access other people's gifts simply by incrementing and decrementing the ID by 2, I was able to verify that the price was dropped to "Free", regardless of if I was logged in or not, and I w...

Zomato: Weak Password Policy

Weak Password Policy :- In your Website the user are able to use the same password as their user name for eg. the user name is pentest123@ and user can set their password as pestent123@ these type of passwords can be easily guessed How to Fix this issue ? :- prevent users to use their username as...

Shopify: Apps can access 'channels' beta api

Hello, As documented here, an app can access to the following scopes : https://docs.shopify.com/api/authentication/oauthscopes. But an app can request/get access to a lots more scopes, and some of those scope shouldn't be accessible. PoC...

Internet Bug Bounty: Integer overflow in unserialize() (32-bits only)

https://bugs.php.net/bug.php?id=68044...

Ubiquiti Inc.: Arbritrary file Upload on AirMax

It's possible to upload arbitrary files to airMAX devices via HTTP because of a vulnerability in the airOS web server. An attacker can bypass the device's authentication mechanisms by exploiting this vulnerability...

Internet Bug Bounty: Improved fix for bug #69545 (Integer overflow in ftp_genlist() resulting in heap overflow)

https://bugs.php.net/bug.php?id=69545...

Shopify: amazon aws s3 bucket content is public :- http://shopify.com.s3.amazonaws.com/

An Amazon S3 bucket http://shopify.com.s3.amazonaws.com/ was unintentionally left with directory listing enabled. Even though the files in the bucket were all publicly accessible, it was not intended for the directory listing to be visible...

IRCCloud: "SESSION" Cookie without HttpOnly flag set

Vulnerability description This cookie does not have the HTTPOnly flag set. When a cookie is set with the HTTPOnly flag, it instructs the browser that the cookie can only be accessed by the server and not by client-side scripts. This is an important security protection for session cookies. This...

Phabricator: OAuth Stealing Attack (New)

Hi Evan, I found a new and more dangerous way to steal phabricator facebooks oauth tokens,codes, In this case, I exploited the behavior of Phabricator OAuth Dialog, If you provide a differnet scope in phabricator OAuth Dialog...

curl: heap-use-after-free in curl_easy_cleanup() called from callback

Summary: Curlclose lib/url.c:214 calls curlmultiremovehandledata-multi, data and ignores the return value. When curleasycleanup is invoked from within a write/read/progress/header callback, multi-incallback is TRUE, so curlmultiremovehandle lib/multi.c:818-819 returns CURLMRECURSIVEAPICALL withou...

curl: SSL options ISSUERCERT, EC_CURVES and CRLFILE silently ignored by non-OpenSSL backends

Summary: The SSL options ISSUERCERT, ECCURVES and CRLFILE are silently ignored for e.g. the mbedTLS backend, which allows MITM attacks for the ISSUERCERT and CRLFILE bug, and can reduce the security and compliance by ignoring the specified curve for the ECCURVES bug. Affected version Tested with...

U.S. Dept Of Defense: DoD workstation exposed to internet via TinyPilot KVM with no authentication

The DoD workstation was exposed to the internet via a TinyPilot KVM device without any authentication. The TinyPilot KVM device was connected to the workstation and allowed remote access to the system over the internet...

U.S. Dept Of Defense: Subdomain takeover ██████

The subdomain █████ was found to be pointing to open-elb-prod-277276106.us-east-1.elb-amazonaws.com., and the domain elb-amazonaws.com was available for registration. This vulnerability could have been exploited to host unwanted content, receive email, and potentially execute cross-site scripting...

HackerOne: [IDOR] Improper Access Control on Embedded Submission Form

The researcher discovered an improper access control vulnerability that allowed them to access sensitive program information for private/inactive embedded submission forms by leveraging the form's UUID. The researcher used reconnaissance techniques to obtain a list of UUIDs for various private...