Expedia Group Bug Bounty: Cache Deception Allows Account Takeover

A vulnerability allowed an attacker to extract a user's session token from a cacheable page, leading to account takeover. The session token was reflected in the response of a cacheable URL, and the server responded with a 200 OK. The caching server saw the response as cacheable due to the file...

Slack: Bypass invite accept for victim

Vulnerability description not provided...

curl: CVE-2022-35252: control code in cookie denial of service

Summary: I took a look at https://github.com/curl/curl/pull/9048/commits/d7bcbc7d8d4b6d972d3da12d54819169a19c287b a sneak peek on a vulnerability to be announced tomorrow. My guess for that vulnerability is that since cookies are persistent, someone who can trick curl into storing cookies can sto...

Cloudflare Public Bug Bounty: Sign in with Apple generates long-life JWTs, seemingly irrevocable, that grant immediate access to accounts

The OIDC JWT token issued on a new Sign in with Apple ID to the Cloudflare Dashboard had an excessive lifetime. When intercepted by a malicious actor, it enabled impersonation of the affected user on multiple devices during the entire token validity period without the need to re-authenticate. The...

Cloudflare Public Bug Bounty: Sign in with Apple works on existing accounts, bypasses 2FA

It was possible to bypass configured Cloudflare 2FA when logging in to a Cloudflare account using Apple ID authentication flow. A malicious actor could access a Cloudflare account by setting up an Apple ID account using e-mail address matching the one used to set up the targeted account. The issu...

Rocket.Chat: Regex account takeover

Summary: get admin reset token with authenticated user Description: normal user login can access to admin reset token and set a new password for admin user Releases Affected: 3.18.5 3.0.5 Steps To Reproduce from initial installation to vulnerability: Add details for how we can reproduce the issue...

Acronis: unauth mosquitto ( client emails, ips, license keys exposure )

Hi team Summary connect.acronis.com ip 88.99.142.45:1883 has unauth mosquitto mqtt, anyone can connect and read\write messages Steps To Reproduce add details for how we can reproduce the issue 1. https://github.com/bapowell/python-mqtt-client-shell 1. python3 mqttclientshell.py 1. connection 1...

Kubernetes: SSRF vulnerability can be exploited when a hijacked aggregated api server such as metrics-server returns 30X

Report Submission Form Summary: This report uses metrics-server as example, but it should be applicable to any aggregated api server. When metrics-server is hijacked, either by modifying the container image directly or by running another pods using the same label selector in kube-system namespace...

U.S. Dept Of Defense: Arbitrary File Deletion (CVE-2020-3187) on ████████

Hello team, I hope you're doing well, healthy & wealthy. I found an Arbitrary File Deletion CVE-2020-3187 vulnerability on https://██████████/+CSCOE+/sessionpassword.html that allows the Arbitrary File Deletion. References - https://twitter.com/aboul3la/status/1286809567989575685 -...

TikTok: Reflected xss on ads.tiktok.com using `from` parameter.

A XSS cross-site scripting vulnerability was found on a TikTok ads endpoint using the "from" parameter. We thank @imrannisar for reporting this to our team and confirming its resolution...

Shopify: Sidekiq dashboard exposed at notary.shopifycloud.com

Summary: Hi, I found that the host https://notary.shopifycloud.com/ is exposing a sidekiq dashboard to the internet, for any unauthenticated user to use. I am not very familliar with Sidekiq, but from what I can tell its used for ruby background proccessing. I am fairly certain this dashboard is...

Nextcloud: Control character filtering misses leading and trailing whitespace in file and folder names

Summary: It is possible to create files and folders that have leading and trailing \n, \r, \t, and \v characters. The server rejects files and folders that have these characters in the middle of their names, so this might be an opportunity for injection. In lib/private/Files/Storage/Common.php, t...

IBM: Remote Code Execution at https://169.38.86.185/ (edst.ibm.com)

A discovered Gitlab server was running an old version affected by RCE. This vulnerability could have allowed an unauthenticated attackers to compromise the server by public exploit in ExifTool. The issue was reported to IBM and remediated...

Informatica: CVE-2021-40870 in [███]

An issue was discovered in Aviatrix Controller 6.x before 6.5-1804.1922. Unrestricted upload of a file with a dangerous type is possible, which allows an unauthenticated user to execute arbitrary code via directory traversal. The IP has a SSL certificate pointing to Informatica LLC. curl -kvI...

Semrush: php info file and sql backup at vendor's subdomain

Researcher found open /phpinfo.php and sql backup from mvp app at vendor's subdomain. There was no sensitive data...

Nextcloud: objectId in share location can be set to open arbitrary URL or Deeplinks

Summary: The NextCloud Talk app allows a user to share their location in the Mobile App. The objectId= in /ocs/v2.php/apps/spreed/api/v1/chat/$token/share Can be set to a URL or Deeplink, While the metaData= will render the map, Once a user clicked the map it will open the defined URL or Deeplink...

U.S. Dept Of Defense: RCE in ███ [CVE-2021-26084]

A vulnerability in affected versions of Confluence Server and Data Center allowed authenticated users, and in some cases unauthenticated users, to execute arbitrary code. The vulnerability was due to an OGNL injection issue affecting endpoints that could be accessed by non-administrators when use...

Shopify: A non-privileged user may create an admin account in Stocky

Summary: A non-privileged Stocky user created within Stocky may be able to create a new admin user. Steps to reproduce: 1.Create a non-privileged user in Stocky, don't give admin privileges to that user. 2.Login with the non-privileged user and go to https://stocky.shopifyapps.com/users/me, updat...

GitLab: Stored XSS in markdown via the DesignReferenceFilter

Summary When rendering markdown, links to designs are parsed using the following linkreferencepattern: https://gitlab.com/gitlab-org/gitlab/-/blob/v13.12.1-ee/app/models/designmanagement/design.rbL168 ruby def self.linkreferencepattern @linkreferencepattern ||= begin pathsegment =...

GitLab: Privilege escalation of "external user" (with maintainer privilege) to internal access through project token

Summary An "external user" a user account with the status external which is granted "Maintainer" role on any project on the GitLab instance where "project tokens" are allowed can elevate its privilege to "Internal". An external user with maintainer permissions could create a project token, which...

Sifchain: CSRF in newsletter form

Hi, i can perform csrf attack on victim on newsletter to receive updates because you dont have csrf protection "csrf token" in request Request: POST / HTTP/2 Host: sifchain.finance User-Agent: Mozilla/5.0 Windows NT 10.0; Win64; x64; rv:88.0 Gecko/20100101 Firefox/88.0 Accept:...

U.S. General Services Administration: Weak password policy leading to exposure of administrator account access

Hi, The login endpoint https://mysmartplans.gsa.gov/Marathon/Default.aspx is having weak password policy. During the recon, I came across a mysmartplans overview document http://www.accentimaging.com/accent/pdfs/Accent%20MySmartPlans.pdf . In this document few users are mentioned like - rick, ban...

Homebrew: Brew bootstrap process is insecure

The process described in this page is not secure - no checksum / PGP signature is published and there is no way to check the download is legit: https://brew.sh/ "/bin/bash -c "$curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh"" This can lead to supply chain attacks su...

UPchieve: old session dose not expire after password change

hello all :: I discovered that the application Failure to invalidate session after password changed . In this scenario changing the password doesn't destroys the other sessions which are logged in with old passwords. url:: ==https://app.upchieve.org/== STEPS TO REPRODUCE: 1- create account in...

Shopify: No Session Expiry after log-out, attacker can reuse the old cookies

The session fixation vulnerability allowed an attacker to reuse old session cookies to log in to a victim's account on the Exchange Marketplace, even after the victim had logged out. The service has been decommissioned, and the issue has been resolved...

HackerOne: Bypassing the External Link Warning

Summary: As the HackerOne team is aware, the URL https://hackerone.com/users/saml/[email protected] can redirect users to external pages. Because of this, there is a protection in the links created by Markdown to show the user a warning when clicking in any link started with...

Mail.ru: [Plazius] SSRF через некорректно сконфигурированный Fiddler 46.148.201.206:10121

SSRF on ucs.ru...

U.S. Dept Of Defense: HTTP Request Smuggling

hello dear support I have found HTTP Request Smuggling on www.████████ Issue description ============== HTTP request smuggling vulnerabilities arise when websites route HTTP requests through webservers with inconsistent HTTP parsing. By supplying a request that gets interpreted as being different...

VK.com: Open Redirect и подмена ссылки в сниппете приложения VKMA

Открытое перенаправление в сниппетах ссылок мини-приложений...

GitLab: Stored-XSS on wiki pages

Hello, A Stored-XSS is existing on Wiki pages. It is caused by recent change in show.html.hamlL10 ruby ... "".htmlsafe ... authorurl is defined by committed email in wikipageversion.rb: ruby delegate :message, :sha, :id, :authorname, :authoremail, :authoreddate, to: :commit def authorurl user =...

TikTok: Lack of rate limitation on careers site allows the attacker to brute force the verification code

An attacker could have potentially attempted to brute force the verification code needed to reset a candidate's password by leveraging a lack of rate limiting on the TikTok careers portal. We thank @iambouali for reporting this to our team and confirming the resolution...

h1-ctf: Solution for hackyholiday

Summary: Since there is a reward for the first 10 submissions, I'll start by providing the flags: flag48104912-28b0-494a-9995-a203d1e261e7 flagb7ebcb75-9100-4f91-8454-cfb9574459f7 flagb705fb11-fb55-442f-847f-0931be82ed9a flag972e7072-b1b6-4bf7-b825-a912d3fd38d6...

MTN Group: No rate limit lead to otp brute forcing

Summary: Hello. There is no rate limit protection in the endpoint https://mtnonline.com/nim/submit , Which could lead to brute force otp code. How To Reproduce: Visit https://mtnonline.com/nim and complete all the required field and submit. when next page load, user will be ask otp code. Enter an...

Zomato: Improper Validation at Partners Login

Timeline | Timeline | Action | |---|---| | Thu, 24 Sep 2020, 12:10 IST | Researcher submitted the report on H1 with initial severity as High. | | Thu, 24 Sep 2020, 12:32 IST | First response - we asked for clarification via demonstration on attack scenarios. Parallelly, we began our own...

Imgur: Stored XSS in Post title (PoC)

Hello, Stored XSS in Post title, example: https://imgur.com/gallery/Y5JUzv3, Thanks Impact steal cookies and session...

New Relic: One Click Remote Code Injection - *.blog.newrelic.com

With some social engineering, a WordPress admin could be convinced to click a malicious link to abuse a vulnerability in a WordPress plugin. This could lead to script execution or even code execution on the host. Vulnerability: A CSRF vulnerability has been found inside the Admin Panel leading to...

Nextcloud: Formula Injection vulnerability in CSV export feature

Dear Nextcloud Team – I have identified a formula injection vulnerability 12 in the CSV export feature of the Forms App. I am aware that the Forms app is not part of this bug bounty program but was advised to disclose it via hackerone anyway. Description. When a n Excel-/Calc- formula is sent as...

Open-Xchange: Null pointer dereference in SMTP server function smtp_string_parse

Sending the following bytes to the SMTP server induces a NULL pointer dereference...

Ruby on Rails: ActiveStorage direct upload fails to sign content-length header for S3 service

When a user makes a direct upload using ActiveStorage, the browser makes a request to the DirectUploadsController containing the directupload parameters filename, contenttype, bytesize, and checksum. These are used to generate a presigned url that is then passed back to the browser, allowing the...

8x8: Publicly accessible .svn repository - aastraconf.packet8.net

The server contained artifacts from an old SVN repository. The files were removed...

Mail.ru: Account Takeover at vseapteki.ru

Insufficient protection against SMS code bruteforcing allowed account takeover in vseapteki.ru Common flaws of SMS auth: https://blog.deteact.com/common-flaws-of-sms-auth/...

Node.js third-party modules: [treekill] RCE via insecure command concatenation (only Windows)

I would like to report a RCE issue in the treekill module. It allows to execute arbitrary commands remotely inside the victim's PC Module module name: treekill version: 1.0.0 npm page: https://www.npmjs.com/package/treekill Module Description treekill process and it's all children and child...

Nextcloud: SignUp using Fake Email

In this trial I used the email '[email protected]' and after pressing the SIGN UP button it will automatically redirect to https://ppp.woelkli.com/apps/preferredproviders/password/set/emailfakeforregister/H2qlEWHxQ3yiJgCsEXkR8, not through the account verification process first. For full the link Po...

curl: Active Mixed Content over HTTPS

Summary: Resources Loaded from Insecure Origin HTTP Steps To Reproduce: Vulnerability Details detected that an active content loaded over HTTP within an HTTPS page Remedy There are two technologies to defense against the mixed content issues: HTTP Strict Transport Security HSTS is a mechanism tha...

Automattic: Wordpress VIP leaks email of the test a/c

i was testing learn.fb.com and i came to known that its wp-json is open and when i saw all the routes of the websites than i got to known that one end-point is leaking their internal email address the endpoint is as follow https://learn.fb.com/wp-json/th/v1/usergeneration The issue has been fixed...

Shopify: Unpublished Product Images can be disclosed

Hi, This looks like a minor issue but felt like it was something worth reporting. Ideally, a product can be published or remain unpublished on any sales channel. If a product remains unpublished, then no information regarding it must be visible to public including product pictures. But I found an...

Node.js third-party modules: environment variable leakage in error reporting

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 triage and respond quickly, so be sure to take your time filling out the report! I would like to report the leak of...

Internet Bug Bounty: DOS in stream filters

see bug report https://bugs.php.net/bug.php?id=76249 as simple as one process running in an endless loop Impact DOS, process ends up in an endless loop, CPU or available php processes or both of affected system get easily exhausted...

WePay: Active mixed content issues on the site https://stage-go.wepay.com.

Hello. Summary: Page https://stage-go.wepay.com/static/ contains active mixed content: Description: Passive mixed content is content sent over HTTP that is contained on the HTTPS page, but which can not change other parts of the page. For example, an attacker can replace a picture sent via HTTP...

GitLab: Last build status and coverage leaked to unauthorized users

GitLab CI supports creating badges for the latest build/coverage on a certain branches. However, with restricted access, where users do not have access to pipelines, users still have access to the build/coverage status of any branch. This access works for different configurations: 1. For public...