h1-ctf: [hackyholidays] CTF write-up

hi, this is my write-up for hackyholidays CTF. I attached the write-up in PDF format. thanks, REND Impact saving the Christmas... fix this otherwise people would be happy...

CS Money: Blind XSS on image upload

Summary: - The CSRF vulnerability make a request for support.cs.money/uploadfile; This uploadfile does not have csrf token/ origin/ reference verification! - The XSS allows to execute JS. The payload of the XSS stay in the param 'filename' of the CSRF request. Steps To Reproduce: XSS - use a prox...

Acronis: Clickjacking on cas.acronis.com login page

Steps To Reproduce: Create a new HTML file Source code: I Frame Clickjacking Vulnerability Save the file as whatever.html Open document in browser Reference: https://hackerone.com/reports/591432 FIX- The vulnerability can be fixed by adding "frame-ancestors 'self';" to the CSP...

TikTok: Open Redirect Vulnerability on TikTok Ads Portal

An Open Redirect vulnerability was found that could expose the user session cookie potentially allowing an attacker to obtain access to an account on the TikTok ads portal...

Mail.ru: [capsula.mail.ru] overriding order info

IDOR vulnerability in order editing functionality of capsula.mail.ru allowed to override the incomplete unsubmitted order saved for later...

Kubernetes: IPv4 only clusters susceptible to MitM attacks via IPv6 rogue router advertisements

This bug report mostly concerns the default CNI plugins https://github.com/containernetworking/plugins but I believe affects many K8S clusters. Because the CNI team still doesn’t provide an explicit way to report security bugs, I hope the K8S security team doesn’t mind doing the coordination job...

PUBG: Reflected XSS in pubg.com

Summary: PUBG's main website https://www.pubg.com has an endpoint that is vulnerable to an injection vulnerability - namely a reflected injection of JavaScript, also known as Reflected Cross Site Scripting XSS. As per OWASP's definition: "Cross-Site Scripting XSS attacks are a type of injection, ...

Imgur: De-anonymization Attack: Cross Site Information Leakage

Dear Imgur Security Team, We are researchers at the IMDEA Software Institute in Madrid, Spain. We have been working on analyzing Cross-Site Browser Leaks xsleaks and building a tool for finding instances of it on target web sites. Recently we tested imgur.com and discovered a flaw that can affect...

Semmle: Worker container escape lead to arbitrary file reading in host machine

Summary: Because lack of security, attacker will be able to remove original log file and replace it will a symlink to other file, After finishing job, host machine copy file from docker container. Because the original log file has been removed, the host machine will copy the symlink file. But the...

Central Security Project: Unrestricted File Upload Leading to Remote Code Execution

Description As an administrator user it is possible to create files and directories in any location on the file system of the server. This can be abused to write files to any sensitive location on the Windows file system because the Nexus process runs with SYSTEM privileges. This can allows an...

Imgur: Stored XSS on imgur profile

Hello, I submitted a report on imgur, but the staff marked it as duplicate. 482841 I reviewed the report of the first submitted report. 381553 We are on the same situation and his case is already fixed because I tried visiting his site too which is https://12test.imgur.com/ and even redoing his...

Internet Bug Bounty: Use after free and out of bounds read in xmlrpc_decode()

Malformed input can lead to use after free and out of bounds memory errors. This has been fixed with the latest updates of PHP 7.1.26/7.2.14/7.3.1. Note: I reported those as separate bugs to PHP, but they had the same underlying bug and were fixed by the same commit. The release notes only mentio...

HackerOne: Hacker can bypass 2FA requirement and reporter blacklist through embedded submission form

Hi Team, Summary: A program owner can enforce the hackers to setup the two-factor authentication before submitting new reports to their program here: https://hackerone.com/parrotsec/submissionrequirements see below image F355169 The Parrot Sec program has this feature enabled to enforce the hacke...

Chaturbate: [chaturbate.com] - CSRF Vulnerability on image upload

Summary Hi guys, One of the features available to a Chaturbate user is the ability to upload images into photo sets. The upload functionality does not use any CSRF tokens, allowing attackers to perform CSRF attacks and upload images to a user's profile without the user's consent. Steps To...

Shopify: Admin bar: Incomplete message origin validation results in XSS

This issue is very similar to https://hackerone.com/reports/381192, identical logic in a different script. The JavaScript code at https://cdn.shopify.com/s/assets/storefront/bars/adminbarinjector-7461c2cab955bf9ef3df40acd10741df8c4e27c86d9dc323f65a4e786a1786f2.js loaded by the shop front when the...

Ed: DOM XSS in edoverflow.com/tools/respond due to unsafe usage of the innerHTML property.

Hi, There's a DOM XSS vulnerability on edoverflow.com. This cannot be exploited without user-interaction so I had to make a clickjacking PoC to trick the user in triggering the payload her/himself. Reproduction Steps 1. Open the attached HTML document in FireFox. 2. Drag Frog 1 to the other two...

Node.js third-party modules: `atob` allocates uninitialized Buffers when number is passed in input on Node.js 4.x and below

I would like to report an uninitialized Buffer allocation issue in atob. It allows to extract sensitive data from uninitialized memory or to cause a DoS by passing in a large number, in setups where typed user input can be passed e.g. from JSON, on Node.js 4.x and lower. Module module name: atob...

Valve: MySQL username and password leaked in developer.valvesoftware.com via source code dislosure

Hey there it looks like you are relying on a script that cleans up your backup process on developer.valvesoftware.com: /scripts/finalcleanup.sh: Remove files post cleanup rm -r $SITEPATH/data rm $SITEPATH/.sql rm $SITEPATH/.sql.gz rm $SITEPATH/.tgz rm $SITEPATH/.tar.gz rm $SITEPATH/.log rm -r...

Internet Bug Bounty: Out-Of-Bounds Read in timelib_meridian()

Description While deserializing an invalid dateTime value, wddxdeserialize would result in a heap out-of-bounds read in timelibmeridian. As wddxdeserialize is exposed to network data, and sometimes echo the results back to client, this issue could potentially allow remote peeking of the process...

GSA Bounty: HTML injection (with XSS possible) on the https://www.data.gov/issue/ using media_url attribute

Description Hello. I discovered Cross-Site scripting issue on the https://www.data.gov/issue/ endpoint. Akamai WAF and bypass At the srart i was not able to do the XSS due to Akamai Waf XSS filters, but later, i was able to bypass it. POC HTML injection...

Shopify: IDOR [partners.shopify.com] - User with ONLY Manage apps permission is able to get shops info and staff names from inside the shop

SUMMARY ---------- Hello, I have found a permission problem in https://partners.shopify.com that allows a member with only "Manage apps" permission to get various show information and also list the staff account from inside that shop without having access the shop's admin area REPLICATION STEPS...

Nextcloud: Calendar and addressbook names disclosed (NC-SA-2017-012)

Calendar and addressbook names disclosed NC-SA-2017-012 Risk level: Low CVSS v3 Base Score: 3.5 AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N CWE: Information Exposure Through Directory Listing CWE-548 Description A logical error caused disclosure of calendar and addressbook names to other logged-in users...

Gratipay: Content type incorrectly stated

Hello, Issue detail: The response contains the following Content-type statement: Content-Type: image/jpeg The response states that it contains a JPEG image. However, it actually appears to contain unrecognized content. Issue background: If a web response specifies an incorrect content type, then...

WordPress: XSS via unicode characters in upload filename

Wordpress has a vulnerability that could lead to javascript execution and thus privileged escalation via an admin visiting the wrong page via specially crafted JavaScript. Unicode characters are escaped by javascript but they are not escaped serverside. I've checked the latest version 4.6.1 at th...

Boozt Fashion AB: Host header poisoning leads to account password reset links hijacking

Hi, Issue Summary : While conducting my regular testing I discovered that the mobile version of boozt.com application relies on the host header when constructing password reset links emailed to the user. Thus, an attacker can inject a arbitrary host header which leads to password reset leakage...

Pornhub: Reflected XSS by way of jQuery function

The researcher identified a path which exposed a vulnerable jQuery sinkhole allowing XSS. Additionally, the researcher was able to demonstrate a variety of attacks possible by way of arbitrary Javascript execution. Depending on the OS and browser implementation, the researcher demonstrated that h...

Uber: Listing of email addresses of whitelisted business users visible at business.uber.com

At business.uber.com a JSX file which has a listing of email addresses was accessible...

Imgur: XSS via React element spoofing

Hello, I noticed an XSS on imgur. Proof of concept: visit the URL http://imgur.com/vidgif/ticket/aaaaaaaa?errorpropsdangerouslySetInnerHTMLhtml=%3Cimg%20src=a%20onerror=%22alert%27XSS%20on%20%27%2bdocument.domain%22%3E&errorisReactElement=true&errortype=body It's not the simplest case as it...

Mail.ru: OpenSSL HeartBleed (CVE-2014-0160)

Уязвимость существует на portal.sf.mail.ru Эта уязвимость позволяет читать оперативную память кусками размером до 64КБ. Причем уязвимость двусторонняя, это значит, что не только вы можете читать данные с уязвимого сервера, но и сервер злоумышленника может получить часть вашей оперативной памяти к...

Concrete CMS: https://concrete5.org ::: HeartBleed Attack (CVE-2014-0160)

Pls see attachment files for details: python ssltest.py concrete5.org 443|more impact: critical, pls patch it ASAP References: https://www.openssl.org/news/secadv20140407.txt http://heartbleed.com https://github.com/openssl/openssl/commit/96db9023b881d7cd9f379b0c154650d6c108e9a3 g4mm4...

Internet Bug Bounty: moderate: Apache HTTP Server: mod_rewrite proxy handler substitution (CVE-2024-39573) CWE-20 Improper Input Validation

moderate: Apache HTTP Server proxy encoding problem CVE-2024-38473 An encoding problem was discovered in modproxy in Apache HTTP Server versions 2.4.59 and earlier. This issue allowed request URLs with incorrect encoding to be sent to backend services, potentially bypassing authentication via...

Mozilla: Jira Credential Disclosure within Mozilla Slack

The Jira admin API keys were disclosed within a Mozilla Slack channel by a staff member. The exposed credentials allowed for the verification of the user's elevated privileges, including being a Jira Administrator, Administrator, and Jira Service Desk user...

HackerOne: IDOR - Delete all Licenses and certifications from users account using CreateOrUpdateHackerCertification GraphQL query

All licenses and certifications in HackerOne could be deleted by changing the ID number in the CreateOrUpdateHackerCertification GraphQL query...

Internet Bug Bounty: [CVE-2023-27531] Possible Deserialization of Untrusted Data vulnerability in Kredis JSON

A deserialization vulnerability was discovered in the Kredis JSON deserialization code, allowing for the potential deserialization of untrusted data. This could result in unexpected objects being deserialized in the system. The vulnerability has been assigned the CVE identifier CVE-2023-27531...

MTN Group: Wordpress users Disclosure [ /wp-json/wp/v2/users/ ] Not Resolved ()

On this report's 735586 You closed the report and changed the status to Resolved. But it's Not Resolved The Bug It's Still there url: https://www.mtn.com/wp-json/wp/v2/users/ Sorry to say this still i can reproduce this issue please remove /wp-json/wp/v2/users/ file if your domain dont use that...

MTN Group: firebase credentials leaks @ https://mtnhottseat.mtn.com.gh

Hello. I found firebase credentials leaks at https://mtnhottseat.mtn.com.gh. Steps To Reproduce: Visit https://mtnhottseat.mtn.com.gh Right click view source code. Supporting Material/References: // Your web app's Firebase configuration // For Firebase JS SDK v7.20.0 and later, measurementId is...

U.S. Dept Of Defense: Sensitive information on '████████'

Hi team, i found a sensitive file hosted on '█████████' that i think must be not public accessible due to the wording "███████" Vulnerable Endpoint: https://█████████/████████ ██████████ Impact Sensitive information pubblicy accessible System Hosts ████████ Affected Products and Versions CVE...

MCUboot: DMARC and DNS Records not found on mcuboot.com

Found no DMARC and DNS record on mcuboot.com . I am also able to send an email to me on your behalf . The mail sent didnot even landed in spam folder which could make the users believe on the attacker as a legitimate person or authority. Any attacker could do so by using any fake mailer .For exmp...

GitHub Security Lab: [Java] CWE-094: Query to detect Groovy Code Injections

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

VK.com: Обход приватности у фотографий/документов

Просмотр некоторых фотографий и документов через вики-страницы. Интересный баг в wiki-страницах позволял достать почти любую приватную фотографию и любой приватный документ...

U.S. Dept Of Defense: Sensitive data exposure via https://███/secure/QueryComponent!Default.jspa - CVE-2020-14179

Summary: Information Disclosure vulnerability in outdated Jira. Description: Affected versions of Atlassian Jira Server and Data Center allow remote, unauthenticated attackers to view custom field names and custom SLA names via an Information Disclosure vulnerability in the...

Rocket.Chat: SAML authentication bypass through unauthenticated `addSamlProvider` Meteor Call

Summary: Rocket.Chat exposes an unauthenticated Meteor method addSamlProvider, which allows disabling SAML signature verification. Description: The addSamlProvider Meteor method sets a number of settings, among them a boolean flag that defaults to false: js export const addSamlService =...

GoCD: XSS In https://docs.gocd.org/current/

Searches on docs.gocd.org were subject to a client-side XSS issue...

Mail.ru: Improper Restriction of Excessive Authentication Attempts at https://top.mail.ru/edit? for site counter (Rate Limit bypass via IP Rotation)

Password at top.mail.ru counters was not sufficiently protected against bruteforce...

GitHub Security Lab: Golang : Improvements to Golang SSRF query

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

Shopify: Takeover an account that doesn't have a Shopify ID and more

Details The https://pos-channel.shopifycloud.com/graphql-proxy/admin can be exploited to update a staff member email without any email confirmation. Using the partner dashboard, we've the ability to create a store that doesn't have a Shopify ID account on https://accounts.shopify.com. By using...

Topcoder: Stored XSS on https://apps.topcoder.com/wiki/pages/editpage.action

Summary: Hi : There is a stored XSS on wiki pages and it executes when editing page. Steps To Reproduce: After I submitted 867125, i realized that the vote macro causes stored XSS on wiki edit page. A user can edit wiki pages on https://apps.topcoder.com/wiki/pages/editpage.action?pageId=. Users...

Stripo Inc: CORS on my.stripo.email

Hey Team i don't know if it's valid or not i just want to let you know about this thanks. following the HTML File .. var req = new XMLHttpRequest; req.onload = reqListener; req.open'get','https://my.stripo.email/cabinet/stripo-ws/v1/stripo-websocket/info?t=1587908666898',true; req.withCredentials...

BTFS: XSS on remote.bittorrent.com

Hi security team, ı found xss on your subdomain. this is includes callback function. url : https://remote.bittorrent.com/talon/logout?message= Impact fix them...

Node.js third-party modules: [logkitty] RCE via insecure command formatting

I would like to report a RCE issue in the logkitty module. It allows to execute arbitrary commands remotely inside the victim's PC Module module name: logkitty version: 0.7.0 npm page: https://www.npmjs.com/package/logkitty Module Description Display pretty Android and iOS logs without Android...