Nextcloud: Extremly simple way to bypass Nextcloud-Client PIN/Fingerprint lock

I'm sorry for my bad English, I'm German How to reproduce this security bug. Step 1: Take a normal Android smartphone maybe it also works on iOS, but I have not tested it yet. Step 2: Install the official nextcloud-client. Step 3: Set up nextcloud: Open the nextcloud app, tap on "Skip", enter the...

Rootstock Labs: JSON RPC methods for debugging enabled by default allow DoS

A vulnerability was discovered in the RSK JSON-RPC server that allowed an attacker to cause a denial of service DoS attack by sending the evmreset command. The server would hang, become slow, and eventually become synced to block 0, resulting in a loss of service and responsiveness to all users...

Node.js third-party modules: [simple-server] HTML with iframe element can be used as filename, which might lead to load and execute malicious JavaScript

Hi Guys, simple-server allows to embed HTML in file names, which in certain conditions might lead to execute malicious JavaScript. This is caused by outdated version of connect framework. Module: Simple Server allows you to easily get a node.js static file server up and running anywhere anytime...

Paragon Initiative Enterprises: [Critical] billion dollars issue

Hey, My name is El-Sisi also i have famous name is بلحه Balaha and i have found documents that confirm you the github inc belong to you. if you need this documents give me reward and i will give u that documents. why i'm doing this because my mother tell me if you see some things like that you mu...

X (Formerly Twitter): SSRF in https://cards-dev.twitter.com/validator

Hello, After my previous report 2 years ago https://hackerone.com/reports/30860 you fixed the vulnerability, but now it looks like this fix was reverted and the same problem exists again. Test scenario: Open https://cards-dev.twitter.com/validator 1. Closed port on localhost http://0.0.0.0:123 -...

Internet Bug Bounty: BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193)

For certain inputs OpenSSL's BNmodexp function which is used for RSA and Diffie Hellman can produce wrong results. The issue has been fixed by OpenSSL and rated moderate severity: https://openssl.org/news/secadv/20151203.txt A code example is here:...

Snapchat: Administrator access to a Django Administration Panel on *.sc-corp.net via bruteforced credentials

Hey team, While doing some recon for Snapchat's domains, I came across a particular domain of interest - sc-corp.net. It seems that this domain hosts a lot of Snapchat's internal tools, web applications and staging environments such as Phabricator and other administration panels. From analyzing S...

Slack: File upload XSS (Java applet) on http://slackatwork.com/

The web application supports file uploads and I was able to upload a Java Applet .class/.jar file. If a web browser loads a Java applet from a trusted site, the browser provides no security warning. If an attacker can upload a CLASS/JAR file with an applet, the file is executed even if the web...

Internet Bug Bounty: Integer overflow in ftp_genlist() resulting in heap overflow

https://bugs.php.net/bug.php?id=69545 Description: ------------ The ftpgenlist function of the ftp extension is prone to an integer overflow, which may result in remote code execution. ext/ftp/ftp.c:ftpgenlist... 1826 size = 0; 1827 lines = 0; 1828 lastch = 0; 1829 while rcvd = myrecvftp, data-fd...

Phabricator: Bypass auth.email-domains

Email addresses are stored as VARCHAR128. However, Phabricator does not verify the length of an email address upon registration. This allows attackers to bypass the allowed email-domains defined in auth.email-domains. Exploiting this is rather straightforward: get an email address of 128 characte...

Internet Bug Bounty: CVE-2024-34750 Apache Tomcat DoS vulnerability in HTTP/2 connector

CVE-2024-34750: Apache Tomcat Denial of Service Vulnerability A vulnerability was discovered in Apache Tomcat versions between 11.0.0-M1 and 11.0.0-M20, 10.1.0-M1 and 10.1.24, and 9.0.0-M1 and 9.0.89. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers...

Teleport: Improper session management - Failure to invalidate old session after password change

Failure to Invalidate Session on Password Change Failure to invalidate a session after a password change is a vulnerability which allows an attacker to maintain access on a service. Most users have the expectation that when they reset their password, no one else can access their account. When...

U.S. Dept Of Defense: [XSS] Reflected XSS via POST request

A reflected XSS vulnerability was found on a subdomain of a website. The vulnerability was found in a POST request to a specific page, where the flddisplaytype parameter was vulnerable to XSS. Although a WAF was deployed on the endpoint to prevent such attacks, the payload was successfully...

U.S. Dept Of Defense: Host Header Injection on https://███/████████/Account/ForgotPassword

Dear DoD Team, I found one high bug on your another domain. This is from Hack US Program. Affected domain is https://█████/ An attacker can manipulate the Host header as seen by the web application and cause the application to behave in unexpected ways. Very often multiple websites are hosted on...

Acronis: IDOR vulnerability (Price manipulation)

Target: acronis.cz Step to Reproduce 1.Go to acronis.cz 2.buy any product in this case i am going to buy this https://www.acronis.cz/produkt/acronis-cyber-protect-home-office/ for test 3.fill up details 4.go to burpsuite turn on intercept 5.click on buy now 6.check request in intercept change pri...

GitHub Security Lab: [Java] CWE-079: Query to detect XSS with JavaServer Faces (JSF)

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

HackerOne: Information disclosure - Feedback is accessible on Public profile even after 'disallowed' at https://hackerone.com/settings/feedback

Summary: Hi team, I noticed one possible information disclosure scenario related to My Feedback managed at https://hackerone.com/settings/feedback Description: In current scenario even after uncheck the option "Show this blurb on my profile" I can access the feedback using one one requestPOST...

Revive Adserver: Reflected XSS on /admin/userlog-index.php

I found a reflected XSS attack on /admin/userlog-index.php. Revive-Adserver version is revive-adserver-5.1.0. - Go to...

Kubernetes: XSS on kubernetes-csi.github.io (mdBook)

Report Submission Form Summary: Hi, I have recently found XSS vulnerability in mdBook CVE-2020-26297, fixed and disclosed on 4th January 2020. The details were published in a security advisory here: https://blog.rust-lang.org/2021/01/04/mdbook-security-advisory.html I did a quick recon and found ...

Bitwarden: Rate limits too low for email 2FA

NO RATE LIMIT ON 2FA CAN LEAD TO ACCOUNT COMPROMISE! 1. Create account on vault.bitwarden.com if you don't have. 2.Setup 2FA via email 3.Logout and log in again. This time along with password you have to fill the 2fa code which is sent to the email. 4.Type Any Random number, intercept request wit...

Ruby on Rails: Server-side template injection at ujs test server

I have found in the server code for testing ujs in Rails that template injection is possible and that leads to rce. code https://github.com/rails/rails/blob/v6.0.3.2/actionview/test/ujs/server.rb ruby module UJS class Server Blade::Assets.environment get "/" = "testsindex" match "/echo" =...

Open-Xchange: null dereference in `sieve_address_do_validate` (or redundant null check)

Function sieveaddressdovalidate in file sieve-address.c does dereference errorr if address == NULL errorr = "null address"; return FALSE; and then later checks for it being NULL : if errorr != NULL errorr = strcctx.error; So either, there is a first null check missing Or the later ones are...

Stripo Inc: Unrestricted File Upload on https://my.stripo.email and https://stripo.email

Hi Stripo Inc, I found 2 Unrestricted File Upload Vulnerabilities on your website. First Vulnerability: Step to Reproduce 1. Create an account in "https://my.stripo.email" 2. Simply Download a php shell from internet and open with text editor. ex: r57 shell 3. Then save it as JPEG file. 4. Go bac...

WordPress: Stored XSS on Wordpress 5.3 via Title Post

I have identified a WordPress security vulnerability , a Stored XSS vulnerability that affects latest version of WordPress 5.3 POC: 1 Login to wordpress website 2 Make a post with title payload xss like example alertdocument.domain; 3 Publish then open the post, XSS Will trigger Impact Can steali...

MyCrypto: URL is vulnerable to clickjacking

i'm not sure if this vulnerability is in scope or not , kindly if you don't accept this report please close it as informative or allow me to self close it thanks in advance Summary: URLs missing CSP headers they are vulnerable to clickjacking. Steps To Reproduce: run the below code that i had...

Shopify: Reflective Cross-site Scripting via Newsletter Form

.myshopify.com is vulnerable to a reflective cross-site scripting attack in the newsletter form. This can be crafted to trigger on a page load without any further user interaction. The following example url shows this vulnerability:...

Nextcloud: User with read-only access to a share can gain write access to sub-folders in the share

user0 creates folders /test and /test/sub user0 creates file /test/sub/file.txt user0 shares folder /test with user1 with read+share permissions 17 user1 receives the folder /test and can read-download /test/sub/file.txt - good user1 creates a link share of /test/sub - it has permissions 1...

Nextcloud: xmlrpc.php is enabled - Nextcloud

Hi Nextcloud Team, Summary: An attacker can devise a XML request to list all the methods that are enabled on the server. Replace Get with POST request and add method call in the request. To reproduce the vulnerability you need to use Firefox browser and Burpsuite Open:...

Semrush: Following links are vulnerable to clickjacking

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: The below list...

Internet Bug Bounty: Mercurial can be tricked into granting authorized users access to the Python debugger

I reported this bug privately to Mercurial and they produced an out of band release to fix the bug here: https://www.mercurial-scm.org/wiki/WhatsNewMercurial4.1.3.282017-4-18.29 I produced a very detailed proof of concept with a Metasploit exploit module, which can be seen publicly here:...

X (Formerly Twitter): Html Injection and Possible XSS in sms-be-vip.twitter.com

Hi, I would like to report HTML Injection and possible cross site scripting XSS vulnerability in sms-be-vip.twitter.com Overview The sms-be-vip.twitter.com 404 error page appears to be vulnerable to XSS and HTML Injection as it doesn't encode the HTML tags in the path name such as...

Respondly: X-Content-Type-Options header missing

URL : https://respond.ly/ Description : The Anti-MIME-Sniffing header X-Content-Type-Options was not set to 'nosniff' Solution : This check is specific to Internet Explorer 8 and Google Chrome. Ensure each page sets a Content-Type header and the X-CONTENT-TYPE-OPTIONS if the Content-Type header i...

Internet Bug Bounty: CVE-2023-40273: Session fixation in Apache Airflow web interface

A session fixation vulnerability was discovered in Apache Airflow web interface. This vulnerability allowed an authenticated user to continue accessing the webserver even after their password had been reset by the admin. The issue has been addressed in version 2.7.0 of Apache Airflow...

UPchieve: Business logic error

Hi UPCHIEVE SECURITY TEAM I'm Anto Vulnerability : Business logic error There is no password verification while changing a password. Steps to Reproduce : 1. Go to https://hackers.upchieve.org/resetpassword. 2. Click the change password. 3. If your old password was ex: hacker and in new password...

U.S. Dept Of Defense: CVE 2020 14179 on jira instance

Summary: An remote attacker can view the custom sla fields used in the jira instance and also can use the sla fields to make a jql query. Impact Information disclosure of the custom sla fields, senstive information leakage throught he jql query parameter Read more about the impact here:...

Stripo Inc: Non-revoked API Key Disclosure in a Disclosed API Key Disclosure Report on Stripo

Summary: Can you imagine discovering an API key disclosure vulnerability in a disclosed API key disclosure report? The same thing is what I came across while going through the disclosed reports at Stripo Inc. Plus, the disclosed API key isn't even revoked, and therefore I am still able to use the...

Basecamp: Possible DOM XSS on app.hey.com

Summary: Hello Team, While testing it was observed that on https://app.hey.com/, on Search box there is a possibility of XSS. Although the payload is reflected in the DOM but the CSP blocks the execution of the script, the XSS can happen if the CSP is somehow bypassed. The Subject parameter is...

HackerOne: Searching from Hacktivity returns hits for words in limited disclosure reports that are not visible

Summary: It appears I'm able to discover words used in limited disclosed reports, that are not publicly visible, by using the search function available from the Hactivity page. Description: Recently I was investigating a finding for another program which involved exploiting XSS ████. I wondered h...

Homebrew: Homebrew privilege escalation vulnerability

Additional symlinks/directories that were not chownd by brew services needed to be added to avoid the replacement of the opt prefix link. Homebrew has a privilege escalation vulnerability which can cause an attacker easily gain root permission...

Node.js third-party modules: [query-mysql] SQL Injection due to lack of user input sanitization allows to run arbitrary SQL queries when fetching data from database

Hi Guys, There is SQL Injection in query-mysql module. Due to lack of sanitization of user input, an attacker is able to craft SQL query and get any data from the database. Module query-mysql Install this module in your project like dependency https://www.npmjs.com/package/query-mysql version:...

LocalTapiola: SQL Injection /webApp/sijoitustalous_peruutus locId parameter (viestinta.lahitapiola.fi)

Vulnerable script: /webApp/sijoitustalousperuutus Vulnerable parameter: locId Database: PostgreSQL PoC 1. TRUE, substrversion,1,10='PostgreSQL', Result: Ilmoittaumisesi on peruttu...

IBM: Exposed Logs and Bearer Tokens on Test Endpoint

Exposed Logs and Bearer Tokens on Test Endpoint were reported to IBM, analyzed, and have been remediated...

U.S. Dept Of Defense: Information Disclosure FrontPage Configuration Information

An information disclosure vulnerability was discovered in the Microsoft FrontPage configuration of a subdomain. This vulnerability allowed an attacker to view the version number and scripting paths of Sharepoint using Firefox...

PlayStation: Remote vulnerabilities in spp

A vulnerability was discovered in the spp PPPoE implementation on the PS4/PS5. The vulnerability could allow a malicious PPPoE server to cause a heap buffer overwrite and overread, potentially leading to denial-of-service or remote code execution in kernel context. The vulnerability was caused by...

Automattic: Stored XSS on wordpress.com

A Stored XSS vulnerability was found on WordPress.com via app.crowdsignal.com. An attacker could use this vulnerability to execute malicious script code in the victim user's browser and redirect them to malicious sites...

curl: CVE-2022-27782: TLS and SSH connection too eager reuse

Summary: Curl fails to consider some security related options when reusing TLS connections. For example: - CURLOPTSSLOPTIONS - CURLOPTPROXYSSLOPTIONS - CURLOPTCRLFILE - CURLOPTPROXYCRLFILE As a result for example TLS connection with lower security CURLSSLOPTALLOWBEAST, CURLSSLOPTNOREVOKE connecti...

Uber: CVE-2020-3452 - unauthenticated file read on anyconnect.routematch.com

The CISCO ASA instance at anyconnect.routematch.com was vulnerable to CVE-2020-3452, allowing an unauthenticated attacker to retrieve arbitrary files on the local filesystem...

GitHub Security Lab: [Java] CWE-094: Jython code injection

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

U.S. Dept Of Defense: Remote Code Execution via Insecure Deserialization in Telerik UI (CVE-2019-18935)

Description: https://██████/██████████/Telerik.Web.UI.WebResource.axd?type=rau is vulnerable to CVE-2017-11317 and CVE-2019-18935, allowing an attacker to upload arbitrary files and gain remote code execution on the underlying system. References...

GitLab: Stored DOM XSS via Mermaid chart

Prologue Gitlab supports Mermaid as part of GFM to allow users to generate diagrams and flowcharts from text. In version 8.6.0, Mermaid added a support of directives to add more control over stylesthemes applied to the diagrams. You can read more about how this works here:...