h1-ctf: Hackyholidays [ h1-ctf] writeup [mission:- stop the grinch ]

Hello Team Description In the continuous series of 12 days, twelve flags were hidden inside Hackyholidays site - hackyholidays.h1ctf.com in which once we get all the flags, grinch can be stopped. This write-up will describe solving all the 12 days challenges. Step To Reproduce + It all started wh...

HackerOne: Team object in GraphQL disclosed private_comment

Summary: Hi Team, Some privateI think part of GraphQL reveals to us Steps To Reproduce Without authorization 1. https://hackerone.com/graphql POST: "query":"query nodeid: \"gid://hackerone/SurveyRatingItem/█████\" ... on...

h1-ctf: [h1-2006 2020] Chained vulnerabilities lead to account takeover

Summary Mårten Mickos lost his account for BountyPay, the new service HackerOne is using to pay bug bounties. In this report I explain how I accessed a customer's account using a log file and bypassed its 2FA validation. I then leverage an open redirect bug to gain access to an internal server an...

h1-ctf: [H1-2006 2020] Multiple vulnerabilities lead to CEO account takeover and paid bounties

Summary: 1. A publicly accessible logfile discloses a user's credentials 2. Weak 2FA implementation allows user account takeover 3. Path injection in user's cookie allows SSRF, bypassing the IP restriction to list available builds on https://software.bountypay.h1ctf.com/ 4. API token leak in...

X (Formerly Twitter): Periscope iOS app CSRF in follow action due to deeplink

Summary This issue is mainly in the Periscope iOS app against CSRF follow action using deeplink. as the report 583987 the CSRF work on iOS app POC 1 QR code to follow periscope profile pscp://user/periscopeco/follow ███████ POC2 by kunal94 /follow"CSRF DEMO video █████████ Impact CSRF Follow...

Kubernetes: Man in the middle using LoadBalancer or ExternalIPs services

I rated this vulnerability as high because trying to rate it with CVSS v3.0 Calculator gives me 9.9 which seems way too high as you do require to be able to create services in the K8S cluster. Summary: This report details 2 ways to man in the middle traffic by: a creating a LoadBalancer service a...

U.S. Dept Of Defense: [Partial] SSN & [PII] exposed through iPERMs Presentation Slide.

Hello @deptofdefense, when performing reconnaissance, I came across a presentation slide that displayed live data since the data is blocked out & is formatted with XXX-XX with the last 4 digits. The exposed data contains the following: UPC, Division/Brigade, Rank, Soldier Name, Last 4 digits of...

Mail.ru: worki.ru: SMS code bruteforce

SMS code verification process in worki.ru was not sufficiently protected against bruteforce attack Common flaws of SMS auth: https://blog.deteact.com/common-flaws-of-sms-auth/...

Razer: Race Condition in Oauth 2.0 flow can lead to malicious applications create multiple valid sessions

The tester discovered a flaw in the Razer ID authentication system that could allow multiple access tokens. This was a minor issue but could theoretically have led to extended access due to unexpired tokens. Razer thanks the tester for their diligence. Here is a write-up for similar bug:...

Ubiquiti Inc.: Reflected XSS in Nanostation Loco M2 - AirOS ver=6.1.7

AirMax XW.v6.2.0 and prior containing multiple end-points with parameters vulnerable to reflected cross site scripting XSS, allowing attackers to abuse the user' session information and/or account takeover of the admin user. These vulnerabilities were found on AirMax AirMax AirOS v6.2.0 and prior...

Open-Xchange: [XSS] select/onchange in TinyMCE via set body

Hi. TinyMCE allow insert . For set this content need special link: mailto:aaa?body=. Steps: 1. Go to compose mail 2. Insert URL: mailto:aaa?body=%3Cselect%20onchange%3D%22alertdocument.cookie%22%3E%3Coption%3E2%3C%2Foption%3E%3Coption%3E2%3C%2Foption%3E%3C%2Fselect%3E 3. Save Mail 4. Open this ma...

Node.js third-party modules: [public] Path Traversal allows to read content of arbitrary files

Hi Guys, There is Path Traversal in public module. It allows to read content of arbitrary files on the remote server. Module public Run static file hosting server with specified public dir & port. Support a "direcotry index" like Apache httpd. https://www.npmjs.com/package/public version: 0.1.2...

Inflection: XST(Cross Site Tracing)

Researcher reported that OPTIONS and TRACE HTTP methods are enabled. HTTP configuration best practices are not currently in scope for our HackerOne program, so we closed the report. Researcher requested that we disclose it...

WordPress: Clickjacking wordcamp.org

Hello Security, Clickjacking User Interface redress attack, UI redress attack, UI redressing is a malicious technique of tricking a Web user into clicking on something different from what the user perceives they are clicking on, thus potentially revealing confidential information or taking contro...

Nextcloud: Response Header injection using redirect_uri together with PHP that utilizes Header Folding according to RFC1945 and Internet Explorer 11

Hi, I noticed that the redirecturi used to redirect users to any location on the page, passes in all data into a header"Location.. without any validation. The problem is that PHP current PHP-versions of Debian/Ubuntu, there seem to be a patch properly in place in other dists actually built the...

Bykea: IDOR on in-app hardcoded zombie endpoint

The researcher discovered an Insecure Direct Object Reference IDOR vulnerability in a hardcoded legacy zombie endpoint that was no longer actively used but remained accessible. By reverse engineering the Android app and reviewing the code for unused endpoints, the sensitive details related to...

Khan Academy: XSS on using the legacy "Graphie To Png" API

The legacy "Graphie To Png" API was vulnerable to exploitation. An attacker could upload malicious graphies that included harmful SVG and JSON data. The SVG contained an onload attribute that executed arbitrary JavaScript. The JSON data modified the content of labels, causing the graphie renderer...

Node.js: Path traversal through path stored in Uint8Array

A vulnerability was discovered in Node.js that allowed path traversal through Uint8Array objects. This vulnerability affected users using the experimental permission model in Node.js 20...

curl: CVE-2023-32001: fopen race condition

A race condition vulnerability existed in the fopen function of the curl library. This vulnerability allowed an attacker to exploit the race condition between the stat and fopen functions, potentially leading to unauthorized file overwrites or the theft of sensitive data such as cookies. The...

Mars: Jolokia Reflected XSS

Summary: salam Hi team i hope you are well , after doing some recon on mars.com i saw that the website use jolkia 1.3.5 it's vulnerable to reflected XSS Steps To Reproduce: 1. Vuln Link : https://couponsmanager-uat.b2b.mars.com/jolokia/read%3Csvg%20onload=alertdocument.cookie%3E?mimeType=text/htm...

Internet Bug Bounty: CVE-2022-27779: cookie for trailing dot TLD

Published Advisory: https://curl.se/docs/CVE-2022-27779.html Original Report: https://hackerone.com/reports/1553301 Impact This can allow arbitrary sites to set cookies that then would get sent to a different and unrelated site or domain. ie. conduct session fixation attacks...

Internet Bug Bounty: CVE-2022-24288: Apache Airflow: TWO RCEs in example DAGs

In Apache Airflow, prior to version 2.2.4, In DAG script of airflow , there is two command injection vulnerability RCE in the some scripts, which an attacker can execute arbitrary commands on the system. The impact is even greater when airflow is configured for unauthenticated access. These two...

Internet Bug Bounty: The Host Authorization middleware in Action Pack is vulnerable to crafted X-Forwarded-Host values

Title: The Host Authorization middleware in Action Pack is vulnerable to crafted X-Forwarded-Host values Scope: https://github.com/rails/rails Weakness: Open Redirect Severity: Medium Link: https://hackerone.com/reports/1189310 Date: 2021-05-09 06:29:19 +0000 By: @mshtawy CVE IDs: CVE-2021-22942,...

U.S. Dept Of Defense: [CVE-2021-29156 on ForgeRock OpenAm] LDAP Injection in Webfinger Protocol!

Description: https://████████ is vulnerable to CVE-2021-29156. References https://nvd.nist.gov/vuln/detail/CVE-2021-29156 https://portswigger.net/research/hidden-oauth-attack-vectors...

Shopify: Improper Input Validation on https://oberlo-image-proxy.shopifycloud.com/

The service under https://oberlo-image-proxy.shopifycloud.com/ seems to work like a image proxy through the url GET parameter and it suppose to handle only images. █████████ When other content type than an image is present the service returns a 404 error to the user. curl -si...

GitHub Security Lab: ihsinme: CPP Add query for CWE-691 Insufficient Control Flow Management After Refactoring The Code

This bug was reported directly to GitHub Security Lab...

Shopify: [h1-2102] FQDN takeover on all Shopify wholesale customer domains by trailing dot (RFC 1034)

Summary: Due to a missing domain format check in Shopify's wholesale functionality, it is possible to serve arbitrary content on the customer's domain through existing DNS records already configured to work with Shopify. I only tested with domains that I own but as far as I understand, this would...

Shopify: [Information Disclosure] Amazon S3 Bucket of Shopify Ping (iOS) have public access of other users image

Hello Shopify, when testing Shopify Ping share image function, I discovered an Amazon S3 bucket which has public access which allows an attacker to view all the image of other merchant & users. Steps To Reproduce: 1. Install Shopify Ping on your phone then enable Shopify Chat for your store. 2. G...

Radancy: [mijn.werkenbijdefensie.nl] Denial of service occurs due to lack of email length confirmation

Creating an account on https://mijn.werkenbijdefensie.nl/profielaanmaken/ could be done with a very long emailaddress. A max email address length validation check has been implemented as per RFC the maximum length allowed for an email address is 255 characters. However, we don't validate email...

h1-ctf: [h1-2006 2020] Writeup h12006 CTF

^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$ Impact...

Brave Software: Stored XSS in localhost:* via integrated torrent downloader

Summary: Due to filename of downloading torrent file isn't sanitized, an attacker is able to execute arbitrary JavaScript on localhost: by abusing crafted torrent file. Products affected: Brave 0.68.131 Chromium: 76.0.3809.100 Official Build Steps To Reproduce: 1. Open...

Grammarly: Previously created sessions continue being valid after MFA activation

Hi team, I found one issue related to your 2FA system on https://account.grammarly.com/security POC 1 access the same account on https://account.grammarly.com in two devices 2 on device 'A' go to https://account.grammarly.com/security complete all steps to activate the 2FA system Now the 2FA is...

Semrush: User Controllable Cookie

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! User Controllable Cooki...

U.S. Dept Of Defense: Remote Code Execution (RCE) in a DoD website

SUMMARY: ==================== This report describes a vulnerability similar to that described in my other reports 329376, 329397, 329399 The DoD https://████/psc/EXPROD/ Web System uses the Oracle PeopleSoft platform which is vulnerable to Remote Code Execution RCE and Denial of Service Attacks D...

ownCloud: DROWN Attack

Hi, I want to report a drown attack in .owncloud.com. A cross-protocol attack was discovered that could lead to decryption of TLS sessions by using a server supporting SSLv2 and EXPORT cipher suites as a Bleichenbacher RSA padding oracle. Note that traffic between clients and non-vulnerable serve...

curl: CVE-2024-11053: netrc + redirect credential leak

CVE-2024-11053 was a logic flaw in Curl that resulted in a credential leak during redirects. The issue was caused by the way Curl processed netrc credentials when performing redirects. Under certain conditions, the redirect passed along credentials specified for the original host to the redirecti...

U.S. Dept Of Defense: DoS at █████(CVE-2018-6389)

A vulnerability in WordPress allowed unauthenticated attackers to launch a denial of service attack by listing a large number of registered .js files from wp-includes/script-loader.php. The vulnerability was assigned CVE-2018-6389. Attackers could use this function to deplete server resources and...

curl: CVE-2022-43552: HTTP Proxy deny use-after-free

Issues reported by Trail of Bits. This is either one or two issues. Summary: ./src/curl 0 -x0:80 telnet:/j-uj-u//0 -m 01 ./src/curl 0 -x0:80 smb:/j-uj-u//0 -m 01 Both command line ends up having libcurl access and use already freed heap-memory. For read and write. Steps To Reproduce: See above, r...

Internet Bug Bounty: CVE-2022-35252: control code in cookie denial of service

https://hackerone.com/reports/1613943 Impact control code in cookie denial of service...

Internet Bug Bounty: Read beyond bounds in ap_strcmp_match() [zhbug_httpd_47.7]

Greetings. I have found a read-beyond-bounds attack against httpd that allows an attacker to search httpd's memory for strings matching an attacker-specified pattern 1. The attack arises from an overflow in apstrcmpmatch server/util.c. 2 The vulnerability can be reached via an LUA program that us...

GitLab: Installing Gitlab runner with Docker-In-Docker allows root access

Summary Installing a Gitlab runner using official documents: https://docs.gitlab.com/ee/ci/docker/usingdockerbuild.htmluse-docker-socket-binding allows any user with access to Gitlab CI to have root access on Gitlab Runner server. Steps to reproduce Install Gitlab-runner binary using official...

GitHub Security Lab: Java : Add query for detecting Log Injection vulenrabilities

This bug was reported directly to GitHub Security Lab...

Automattic: SQL Injection Union Based

Summary: Hello, I have found a SQL Injection Union Based on https://intensedebate.com/commenthistory/$YourSiteId The $YourSiteId into the url is vulnerable to SQL Injection. Steps to reproduce 1. Logging into https://intensedebate.com 2. After create your own site on...

Brave Software: Arbitrary file download due to bad handling of Redirects in WebTorrent

Summary: Previously I reported 963155 how an attacker can trick user into downloading malicious files using ".save torrent" feature, In this report I am going to reproduce the same behavior but by abusing a different feature. Description While I was testing webtorrent on brave I noticed that...

U.S. Dept Of Defense: Reflected XSS on ███████

Summary: Reflected Cross site Scripting XSS on████leaving.html?url=%22%3E%3Cscript%3Ealertdocument.domain%3C/script%3E Steps To Reproduce: 1. Navigate to███leaving.html?url= 2. Enter a crafted XSS payload like "alert"xss by nagli" 3. Alert will pop :- █████████ How can the system be exploited wit...

WordPress: Clickjacking on donation page

Description: Vulnerable URL: https://wordpressfoundation.org/donate/ Clickjacking on the vulnerable URL allows an attacker to redirect a victim to do a donation at an attacker's page. Steps To Reproduce: 1 To test whether the page is vulnerable to clickjacking or not use this code i Frame THIS PA...

Open-Xchange: Out of memory with combination of `test_config_set` and `test_config_reload`

Running testsuite on input require "vnd.dovecot.testsuite"; require "variables"; require "editheader"; testset "message" "$message"; test "Default protected" if not exists "received" testfail "received header did not exist in the first place"; testconfigset "sieveeditheaderprotected" "Àubject...

Razer: SQL injection in Razer Gold List Admin at /lists/index.php via the `list[]` parameter.

The tester discovered a monitoring server in a Razer Gold environment was running legacy software with a SQL injection vulnerability. Razer thanks the tester for his diligence and helping keep Razer's customer data secure. A Razer Gold asset suffered from an SQL injection due to an outdated...

Visma Public: [IDOR]Ability to edit Description of api_key's of other users.

The reasearcher was able to change the description associated with API-keys for other users on the /api/orgID/apiKey endpoint by modifying the id of the API-key in the request...

Internet Bug Bounty: DirectoryIterator class silently truncates after a null byte

The bug submitted at: https://bugs.php.net/bug.php?id=78863 The security advisory at: https://nvd.nist.gov/vuln/detail/CVE-2019-11045 There's an issue with SPL PHP extension on splfilesystemobjectconstruct function. When creating a new DirectoryIterator object splfilesystemobjectconstruct functio...