Coinbase: Device confirmation Flaw

Devices being auto-confirmed in an unexpected way looked like a security bug but was intended functionality...

shopify-scripts: Null pointer dereference with send/method_missing

The following program triggers a null pointer dereference with mruby b200c747: ruby def methodmissingm ensure begin A rescue break rescue end end send '' ASAN report: text ASAN:DEADLYSIGNAL ================================================================= ==12116==ERROR: AddressSanitizer: SEGV on...

Automattic: woocommerce - prevent_caching() bug / bypass

As guest visit the following links and look at the headers. Yup there are not caching headers in the response. https://woocommerce.com/.cart/https://woocommerce.com/.cart/ https://woocommerce.com/+cart/https://woocommerce.com/+cart/ https://woocommerce.com/-cart/https://woocommerce.com/-cart/...

HackerOne: Insecure SHA1withRSA in b5s.hackerone-ext-content.com and a4l.hackerone-ext-content.com

Hello, I just found some minor issue with RSA 2048 bits SHA1withRSA in b5s.hackerone-ext-content.com and a4l.hackerone-ext-content.com thru Qualys SSL Labs and wanted to report it. Proof of Concept https://www.ssllabs.com/ssltest/analyze.html?d=b5s.hackerone-ext-content.com Result: SHA1withRSA...

Ruby: Arbitrary heap exposure in JSON.generate

Running this snippet can expose arbitrary memory: ruby require 'json' state = JSON.state.new state.space = "\0" 1024 puts JSON.generatea: :b, state "a": psych/handlers/recorder.rb tensi0 reeze Gem::Specification.new do |s| to objects of the same type as the original delegate...

HackerOne: Able to create basic user account via Google login on HackerOne Drupal CMS

Summary: Hi, I've found that hackerone.com has drupal installed and when I navigated to this URL https://www.hackerone.com/user/password Found "Log in" and "password reset option". When I clicked on login it redirected me to google login Then I login using my gmail account and it redirected to...

Internet Bug Bounty: CVE-2017-5341 The OTV parser in tcpdump before 4.9.0 has a buffer overflow in print-otv.c:otv_print()

Reported to the project maintainers in 2016. The function sigprint did receive a correct caplen parameter value but didn't use it correctly which could cause a read outside of buffer. Fixed by https://github.com/the-tcpdump-group/tcpdump/commit/409ffe94529df3d8bb8258bf99586f821756cb29...

VK.com: Missing Server Side Rate Limiting can Lead to VK Account Take over

Insufficient flood control...

Nextcloud: Email Spoofing

Hi there, Similar to this report submitted to Hackerone itself: https://hackerone.com/reports/575 You also are vulnerable to email spoofing. Steps to reproduce: 1- Go to https://emkei.cz A Fake Mailer 2- Set the from to parameter as [email protected] or any other name, and send it. 3- The ema...

Envoy: Primary Cloning of Envoy web application resulting confidential information disclosure

It is possible to mirror envoy website which exposes internal structure as also client side java-script and CSS . When an attacker makes a copy of your webpages on their local machine, it is possible scan the code for vulnerabilities to exploit without generating additional traffic on your web...

U.S. Dept Of Defense: Remote code execution vulnerability on a DoD website

A remote code execution RCE vulnerability was found on a DoD website which could have enabled an attacker to execute remote commands on the web server. Thank you @korprit for notifying us of this vulnerability!...

shopify-scripts: SIGABRT, SIGSEGV mspace_free() and mrb_default_allocf()

Sample - 1 --------------------- The following code triggers the bug attached as mirbuseafterfree.rb: def methodmissingm"0000000"end m0=w.instanceevalprependm m0.instanceevalprependm0 Crash - Use After Free --------------------- gdb r useafterfree Starting program:...

LocalTapiola: SQL Injection /webApp/oma_conf ctx parameter (viestinta.lahitapiola.fi)

Vulnerable script: /webApp/omaconf Vulnerable parameter: ctxvarsemail Database: PostgreSQL PoC http POST /webApp/omaconf HTTP/1.1 Host: viestinta.lahitapiola.fi Content-Type: application/x-www-form-urlencoded Content-Length: 1131...

Coinbase: Window.opener bug at www.coinbase.com

Window.Opener Bug Description: When you open a link in a new tab target="blank" , the page that opens in a new tab can access the initial tab and change it's location using the window.opener property. Browsers Verified In: Mozilla Firefox Steps To Reproduce: 1. Visit https://www.coinbase.com/ 2. ...

Starbucks: Reflected XSS by exploiting CSRF vulnerability on teavana.com wishlist comment module. (wishlist-comments)

User can add comments on their wishlist item. The http request which adds comment on wishlist item, looks like: http POST /on/demandware.store/Sites-Teavana-Site/default/Wishlist-Comments/:id HTTP/1.1 Host: www.teavana.com User-Agent: Mozilla/5.0 Macintosh; Intel Mac OS X 10.12; rv:49.0...

Reverb.com: IDOR - Ability to view unlisted products

Hi All, I believe I've found a vulnerability on your sandbox site which allows attackers to view the details of listings that are unpublished. Description While creating a product, I noticed there is a call to https://sandbox.reverb.com/api/listings/65905/productbundle which returns json details...

Snapchat: Incoming email hijacking on sc-cdn.net

Hey guys! Really interesting find here. Summary These dangling MX records on sc-cdn.net have allowed me to purchase an email account with GoDaddy owner of these servers and send/receive email from an account on this domain. sc-cdn.net. 3599 IN MX 0 smtp.secureserver.net. sc-cdn.net. 3599 IN MX 10...

Yelp: Verification of E-Mail address possible on https://biz.yelp.com/login and https://biz.yelp.com/forgot

On pages https://biz.yelp.com/login and https://biz.yelp.com/forgot a malicious user can verify if a particular E-mail address is registered on biz.yelp.com. Steps to reproduce for https://biz.yelp.com/login: 1. Open https://biz.yelp.com/login 2. Enter non existing E-Mail Address 3. Enter any...

Instacart: WordPress Authentication Denial of Service

Hi, I found out that you are using WordPress version 4.5.3. Researchers found out 5 days ago, that this version has a vulnerability, a Path traversal in WordPress Core Ajax handlers. Intro WordPress is web software that can be used to create a website, blog, or app. A path traversal vulnerability...

OLX: SQLi in Payment Request

Hi there, I have found out that one request in your API is vulnerable to SQL injection. PoC: Invalid Request: GET /api/v1.0/payments/items?ids=891048367'"&platform=desktop HTTP/1.1 Host: www.olx.com.ar User-Agent: Mozilla/5.0 Windows NT 6.3; WOW64; rv:46.0 Gecko/20100101 Firefox/46.0 Accept:...

Internet Bug Bounty: CVE-2016-2177 Undefined pointer arithmetic in SSL code

1.0.2 version here: https://github.com/openssl/openssl/commit/a004e72b95835136d3f1ea90517f706c24c03da7 1.0.1 version here: https://github.com/openssl/openssl/commit/6f35f6deb5ca7daebe289f86477e061ce3ee5f46 These will get listed in the next security advisory and rolled up in the next release...

Dropbox: Dropbox apps Server side request forgery

Hi, SSRF is a vulnerability that appears when an attacker has the ability to create requests from the vulnerable server. Usually, Server Side Request Forgery SSRF attacks target internal systems behind the firewall that are normally inaccessible from the outside world but using SSRF it’s possible...

Internet Bug Bounty: EVP_EncodeUpdate overflow (CVE-2016-2105)

https://github.com/openssl/openssl/commit/ee1e3cac2e83abc77bcc8ff98729ca1e10fcc920...

Zendesk: XSS In /zuora/ functionality

Hello there, I wanted to report a XSS vulnerability in the /zuora/ functionality on the zendesk application. Affected URL: -...

Uber: reopen #128853 (Information disclosure at lite.uber.com)

Issue in 128853 occurs again. 1. go to https://login.uber.com/oauth/v2/authorize?responsetype=code&redirecturi=https%3A%2F%2Flite.uber.com%2Fauth%2Fcallback&scope=profile%20history%20places%20historylite%20requestreceipt%20request%20paymentbaiduwallet&clientid=y-JJyZRABnEwbJQq4VdQPORo4EKqv0j 2...

Uber: Dom Based Xss

Hi. found dom xss on this subdomain eng.uber.com. you are using a vulnerable plugin prettyPhoto.. This XSS will work in Firefox,Chrome - Google and IE last version ! And this is very dangerous! POC Firefox vector http://eng.uber.com/prettyPhotoi/x,/x POC Google and IE...

Internet Bug Bounty: BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption (CVE-2016-0797)

https://openssl.org/news/secadv/20160301.txt...

Informatica: [rev-app.informatica.com] - XXE via SAML

Request: POST /sso HTTP/1.1 Host: rev-app.informatica.com Connection: keep-alive Content-Length: 8669 Cache-Control: max-age=0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,/;q=0.8 Origin: https://infapassport.okta.com Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5....

QIWI: [rubm.qiwi.com] Yui charts.swf XSS

Yui charts.swf XSS...

Radancy: RC4 cipher suites detected

A group of researchers Nadhem AlFardan, Dan Bernstein, Kenny Paterson, Bertram Poettering and Jacob Schuldt have found new attacks against TLS that allows an attacker to recover a limited amount of plaintext from a TLS connection when RC4 encryption is used. The attacks arise from statistical fla...

Radancy: Version Disclosure (NginX)

Hi, I found a version disclosure Nginx in the your web server's HTTP response. Extracted Version: 1.8.0 This information might help an attacker gain a greater understanding of the systems in use and potentially develop further attacks targeted at the specific version of Nginx. Impact An attacker...

VK.com: Issue in the implementation of captcha and race condition

Reuse of captcha. The researcher was able to find a misconfiguration in the captcha mechanism which allowed him to reuse any captcha and bypass the uniquness of the same . Furthermore the race condition bypassed the no. of retries...

Mail.ru: Same Origin Policy bypass

Hi, After small investigation I've probably found something that can be exploited to bypass Same Origin Policy on mail.ru services specially your main domain and e.mail.ru. First of all - let's take a look about your crossdomain.xml both for mail.ru and e.mail.ru: After time spent on searching...

Internet Bug Bounty: Race condition in workers may cause an exploitable double free by abusing bytearray.compress()

The issue occurs while sharing a bytearray between two workers. If one worker calls bytearray.compress while the other uses that bytearray, Flash does not correctly handle the race and may double free the array. Identified as CVE-2015-0312, and reported to Adobe via Chrome VRP:...

X (Formerly Twitter): Insecure Data Storage in Vine Android App

Hi Twitter, - Vulnerability Class:OWASP M2 : Insecure Data Storage Every application needs to store something secret, like a website username,password, cookies etc. , internal storage is the place to do it, android sandbox prevents other applications from accessing this data but,In vine android a...

Vimeo: XSS on any site that includes the moogaloop flash player | deprecated embed code

The moogaloop flash player includes in most cases http://f.vimeocdn.com/p/flash/moogaloop/6.0.30/controllers/videoControllerProgressive.swf. In that flash file we can find functionality that looks into the SharedObject "com.conviva.livePass" for recently loaded swf-URLs under the key "lastSwfUrls...

Vimeo: Vimeo.com Insecure Direct Object References Reset Password

Hello, my name is Toufik Airane. This is Responsible Disclosure and Silent Disclosure. Thanks you to opened bug bounty program! Please find a proof of concept for IDOR attack on famous vimeo.com. With this IDOR, attacker can reset any password, of any account and take controle of it. Please, find...

QIWI: Stored xss in agent.qiwi.com

Researcher found vulnerability in website agent.qiwi.com. Renaming terminal may lead to stored XSS...

QIWI: Metadata in hosted files is disclosing Usernames, Printers, paths, admin guides. emails

Hi - vulnerable hosts; agent.qiwi.com static.qiwi.com visa.qiwi.com w.qiwi.com www.qiwi.com • the type of vulnerability; Information disclosure • where exactly; There are multiple locations for documents with valuable metadata attached. These are both Qiwi documents and documents uploaded by...

Block.io: SMPT Protection not used, I can hijack your email server.

Description Companies like Coinbase, Yahoo,Google,Facebook and even hackerone implemented a strict email security policy combining SPF, DKIM, and DMARC but I don't see taht from block.io , You should apply strict SMPT policy to stop spoofed email sending from your domain. POC is attached. Exploit...

X (Formerly Twitter): URGENT - Subdomain Takeover on media.vine.co due to unclaimed domain pointing to AWS

Hi, This is an urgent issue and I hope you will act on it likewise. Your subdomain media.vine.co is pointing to AWS S3, but no bucket was connected to it. Actually, the reason to it is due to the CNAME of the meda.vine.co-DNS-entry: media.vine.co - media.vine.co is an alias for...

joola.io: Weak Random Number Generator for Auth Tokens

https://github.com/joola/joola/blob/a534c3dca1a0deaec99c192978e61a35dd3a9069/lib/common/index.jsL90-L98 Math.random is not sufficient for cryptographic purposes such as authentication tokens. An example replacement that uses window.crypto.getRandomValues is available here:...

Automattic: Missing HSTS header in https://app.simplenote.com

Hi, Vulnerable Website: https://app.simplenote.com I tested the website using firefox add-on called: Strict Transport Security Detector https://addons.mozilla.org/en-US/firefox/addon/strict-transport-security-d/ HSTS addresses the following threats: User bookmarks or manually types...

Yahoo!: XSS Vulnerability (my.yahoo.com)

Thank you for your submission to the Yahoo Bug Bounty program. We were able to reproduce the issue you reported and have implemented appropriate fixes. We appreciate your adherence to responsible disclosure guidelines and look forward to your future participation in the program...

Yahoo!: Clickjacking at surveylink.yahoo.com

Thank you for your submission to Yahoo’s Bug Bounty program. While we recognize the effort that you put into the research and writing of a report for us to evaluate, but unfortunately this bug has already been reported to us. We appreciate your adherence to responsible disclosure guidelines and...

curl: cookie: case-insensitive path comparison in replace_existing() allows cookie eviction across distinct paths

Hi all, replaceexisting in lib/cookie.c compares cookie paths case-insensitively at two sites. On case-sensitive servers, /Admin and /admin are distinct resources and are supposed to produce distinct jar entries. Because libcurl conflates them, a Set-Cookie at one path silently evicts the cookie ...

curl: libcurl: Integer truncation in curl_easy_ssls_import() causes TLS sessions to never expire

Summary: curleasysslsimport deserializes a TLS session blob and stores it in the in-memory session cache. In Curlsslsessionunpack lib/vtls/vtlsspack.c:311, the validuntil field is read as uint64t and cast directly to curlofft int64t with no bounds check — so a crafted blob encoding validuntil =...

SingleStore: Insecure Direct Object Reference (IDOR) allows creating folders.

An Insecure Direct Object Reference IDOR vulnerability was discovered in the backend API of a software product. The vulnerability allowed authenticated users with low privileges to create unauthorized folders and files in other users' workspaces within the same organization. The issue was reporte...

U.S. Dept Of Defense: [ CVE-2018-1000129 ] RXSS At `https://███████` via the URI

The CVE-2018-1000129 vulnerability allowed remote cross-site scripting RXSS at the specified URL. The vulnerability was due to improper sanitization of user input, which enabled the execution of arbitrary scripts in the victim's browser...

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...