Nextcloud: End to end encryption folder locking is not properly protected

I do not see the endtoendencryption app listed here. But since you advertise it big on your website and in communication. And the clients that also support it are covered I assume this is part of the program as well. 1. userA has end to end encryption setup 2. userB wants to annoy userA 3. userB...

Nextcloud: Android app does not clear end to end encryption keys

userA on serverA sets up end to end encryption on their android device 2. userA has some end to end encrypted data 3. userA removes their account on serverA from their android device for whatever reason 4. attacker evil admin obtains the device of userA 5. attacker evil admin logs in on the...

Nextcloud: End to end encryption public key is not properly verified on Desktop and Android

Since last time when I reported something on multiple platforms you seems to prefer handling it in 1 spot. I now just do one. Let me know if You want me to fill separate for android as well. This issue does not seem to happen on iOS as there a test string is encrypted and decrypted, in short...

Sifchain: Information disclosure on Sifchain

Summary: Hello Team, I have found user/admin usernames disclosed. Using REST API, we can see all the WordPress users/authors with some of their information. such as id, name, login name, etc. and employees of Sifchain without authentication on https://sifchain.finance/ Steps To Reproduce: You can...

Sifchain: Found key_adress and key_password in GitHub history

Summary: I found in your GitHub history keyadress and keypasswords Steps To Reproduce: 1. Open url https://github.com/Sifchain/sifnode/commit/f21dcf05c7953693b82bba119bba5ca48982b6d0diff-3b3ced8ca40f67dd52fd8031d9c2b5147c249a8c66b3aa066e355c0ee12fa14c 2. search for "keypassword" and you will find...

Sifchain: Sifchain token leak

Hi Tim sifchain token leak 1=https://github.com/Sifchain/sifnode/blob/955a2450bca2b587d01d7fc0d8feacdf57fbb996/ui/core/src/tokenwhitelist.sifchain-devnet.json 2=https://github.com/Sifchain/sifnode/blob/955a2450bca2b587d01d7fc0d8feacdf57fbb996/ui/core/src/tokenwhitelist.sifchain-testnet.json...

Sifchain: No Valid SPF Records at sifchain.finance

Hello, There is any issue No valid SPF Records Desciprition : There is a email spoofing vulnerability.Email spoofing is the forgery of an email header so that the message appears to have originated from someone or somewhere other than the actual source. Email spoofing is a tactic used in phishing...

Sifchain: CORS Misconfiguration Leads to Sensitive Exposure on Sifchain main domain

Summary: Hello, I know that isn't in the Scope But this The Only Way I can Report With And It Belongs to the Main Domain. ==At first please see all those references given below:== References: https://hackerone.com/reports/768151 https://hackerone.com/reports/1167869...

Sifchain: Username disclosure at Main Domain

Hello, PoC Link https://sifchain.finance//wp-json/wp/v2/users/ thanks. Impact Malicious counterpart could collect the usernames disclosed and the admin user and be focused throughout BF attack as the usernames are now known, making it less harder to penetrate the data.gov systems...

Sifchain: Design Issues at Main Domain

Hello i found design issue at sifchain.finance When we go to this website https://sifchain.finance/hello%20sifchain We get 404 so its normal but if you look at the bottom side of web page you can see the redirects will be broken. F1293150 Impact Content Spoofing...

Sifchain: Vulnerable javascript dependency at Main domain

Hello, Issue detail, Burp observed 1 outdated JavaScript libraries with 4 known vulnerabilities. Burp detected bootstrap version 4.0.0, which has the following vulnerabilities: CVE-2019-8331: XSS in data-template, data-content and data-title properties of tooltip/popover CVE-2018-14041: XSS in...

Sifchain: Vulnerable for clickjacking attack

Summary: Hii Team, I know that I have reported to you outside of Scope. The report is related to the mentioned company and the vulnerability can endanger your business so I report this vulnerability to you. Clickjacking User Interface redress attack, UI redress attack, UI redressing is a maliciou...

Sifchain: Linux Desktop application "sifnoded" executable does not use Pie / no ASLR

Hello Sifchain, sifnoded binary from the Linux application is no position independent executable PoC; $file sifnoded Output will be like ; ███████ Position independent executables are required for full ASLR support on Linux. Non-pie-binaries are loaded to a fixed location, thus allowing ROP...

Sifchain: Wrong Url in Main Page

Hello, There is no linkedin account belonging to the url you added to your homepage and this link can be easily captured by someone else. Misunderstandings may occur. F1293094 https://www.linkedin.com/company/kns-group/about/ Impact Broken Link Hijack...

Sifchain: CORS (Cross-Origin Resource Sharing) origin validation failure -Any website can issue requests made with user credentials and read the responses to th

Welcome! ==In this report I want to describe a high-level bug that can seriously put a user account at risk.== CORS Cross-Origin Resource Sharing defines a mechanism to enable client-side cross-origin requests. This application is using CORS in an insecure way. The web application fails to proper...

Sifchain: A password in plain text in conf file

I found a password in plain text in \sifnode-develop\ui\e2e\config.js in the source code. password: "coolguy21" Impact I don't know actually how does this affects but passwords in plaintexts are always dangerous...

Internet Bug Bounty: "urllib" will result to deny of service

if a client request a http/https/ftp service which is controlled by attacker, attacker can make this client hang forever, event client has set "timeout" argument. maybe this client also will consume more and more memory. i does not test on this conclusion. client.py import urllib.request req =...

Revive Adserver: Reflected XSS on /admin/stats.php

Hi, Security Team! Linked to the reports: - https://hackerone.com/reports/1083376 - https://hackerone.com/reports/1097217 In the past reports, we have corrected Reflected XSS. But recently it turned out that with the parameter breakdown = affiliates, this vulnerability still works. Fixed when...

Sifchain: Dependency Confusion Vulnerability in Sifnode Due to Unclaimed npm Packages.

Summary: Hello, I've found a Dependency Confusion vulnerability in the sifnode project. The vulnerability allows me to claim previously unclaimed npm packages that are being used by the sifnode project, and serve malicious content in them which would allow me to gain remote code execution on anyo...

Sifchain: CORS misconfiguration

Description: Affected website: https://sifchain.finance/wp-json/oembed/1.0/embed?url=https://sifchain.finance/&format=xml Step-by-step Reproduction : 1. Send this request: javascript GET /wp-json/oembed/1.0/embed?url=https://sifchain.finance/&format=xml HTTP/1.1 Host: sifchain.finance...

Sifchain: Email spoofing

Email spoofing is possible To verify: visit :https://www.kitterman.com/spf/validate.html? and type your domain name to check SPF record you can see the results as: NO valid SPF record found POC: 1.visit http://emkei.cz// 2.fill the from email as [email protected] 3.to email as victim email...

Ruby: RCE by parsing `.rdoc_options` in RDoc

The Ruby RDoc library was vulnerable to remote code execution due to improper parsing of the .rdocoptions configuration file. When the RDoc command was executed, the library attempted to load the YAML-formatted .rdocoptions file, which allowed for the instantiation of arbitrary classes and the...

Ruby: XSS in HTML generated by RDoc

Vulnerability description not provided...

Sifchain: wrong url in hackerone > goes to wix.com > unconnected

Summary: Hi there, this is a very small issue out of scope. Your current domain name in your hackerone program is wrong: http://sifchain.finance and moves to wix.com Steps To Reproduce: 1. Login as a researcher 2. Open the program from sifchain: https://hackerone.com/sifchain?type=team 3. click o...

Reddit: critical file found etc/passwd on www.reddit.com

1.go to this link https://www.reddit.com/etc%2fpasswd 2.youll find all the etc/passwd files this data should be protected. 3.these passwd can be used for many illegal purpose and can damage the comapny poc attched: HTTP/2 200 OK Content-Type: text/plain; charset=UTF-8 X-Ua-Compatible: IE=edge...

Sifchain: No valid SPF record found

Email spoofing is possible To verify: visit : https://www.kitterman.com/spf/validate.html and type your domain name to check SPF records you can see the results as: No valid SPF record found. POC: 1. visit: https://emkei.cz/ 2. fill the from email as [email protected] 3.To email as victim ema...

Sifchain: Possibility of DoS attack at https://sifchain.finance// via CVE-2018-6389 exploitation

There is possibility in /wp-admin/load-scripts.php script to generate large 3Mb amount of data via simple non-authenticated request to server. The vulnerability is registered as https://vulners.com/cve/CVE-2018-6389 Details Detailed attack scenario is described for example here:...

Sifchain: Flaws In Social media Icon on error page which can lead to financial loss to a company.

Here, i found an issue on sifchain.finance that will direct impact to the customer of sifchain company which can be great loss in business as well as there will be problem regarding to communication with the genuine customer of a company. I know that sifchain.finance is not in scope but i saw thi...

Sifchain: Open S3 Bucket | information leakage

Hi I found an Open S3 Bucket. - POC : aws s3 ls s3://amazon-eks/ Source : https://github.com/Sifchain/sifnode/blob/bebbe9883560bbde4f452f81a2d85bdbc243636a/deploy/rake/dependencies.rake21 regards oos Impact information leakage...

Sifchain: Misconfiguration Certificate Authority Authorization Rule

Hello,Sifchain Security Team, I found a bug called Missing CAA. Certificate Authority Authorization supported by LetsEncrypt and other CAs allows a domain owner to specify which Certificate Authorities should be allowed to issue certificates for the domain. All CAA-compliant certificate authoriti...

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...

Sifchain: Clickjacking Vulnerability in sifchain.finance

Hello team - Greetings! Hope you are fine. sifchain.finance website is vulnerable to Clickjacking. NOT ONLY THE HOME PAGE IS VULNERABLE, ALL THE PAGES IN THE WEBSITE IS VULNERABLE TO CLICKJACKING. And it has to be fixed because, Clickjacking is an attack that tricks the user to click a webpage...

Sifchain: No Rate Limit in email leads to huge Mass mailings

steps to reproduce: 1.go to https://medium.com/sifchain-finance, click sign in. 2.click sign in with email,enter email and click continue 3.intercept the request in burp, POST /m/account/authenticate-email HTTP/2 Host: medium.com Cookie: optimizelyEndUserId=lo4bda3b4cea4e;...

CS Money: Previously created sessions continue being valid after MFA activation

Summary: Hi, team. This is the same issue of 667739. Please take a look. I found one issue related to your 2FA system on https://cs.money/security/ Steps To Reproduce: 1. access the same account on https://cs.money/ in two devices 1. on device 'A' go to https://cs.money/security/ complete all ste...

Kaspersky: Several domains on kaspersky.com are vulnerable to Web Cache Deception attack

Reported security issue allowed a potential attacker to steal potentially sensitive information of users of a website, because multiple subdomains of the Kaspersky domain were vulnerable to web cache deception attack. In this scenario the user needs to open a phishing link in a web browser. The...

U.S. Dept Of Defense: [www.███] Reflected Cross-Site Scripting

Description: Good morning, there's a reflected cross-site scripting vulnerability on https://www.██████████/█████ There was some difficult in making a payload for this vulnerability, mainly due to the WAF blocking some vectors; But exploitation is still possible. Here's a proof of concept showing...

Brave Software: XSS on Brave Today through custom RSS feed

A vulnerability was discovered in Brave iOS's custom RSS feed feature that allowed for cross-site scripting XSS attacks. Attackers could add a malicious RSS feed containing a javascript: URL, which could execute arbitrary code when a user clicked on a link in Brave Today. The vulnerability was...

GitHub Security Lab: [JAVA]: CWE-347 - Improper Verification of Cryptographic Signature : Potential for Auth Bypass

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

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...

GitHub Security Lab: [Java] CWE-348: Use of less trusted source

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

Sifchain: mongodb credentials leaked in github

Steps To Reproduce: add details for how we can reproduce the issue 1. Go to values.yaml file file. 2.Check from line 23: blockExplorer: args: mongoUsername: "mongodb" mongoPassword: mongoDatabase: "blockexplorer" env: rootURL: "http://localhost:3000" chainnet: "" genesisURL: "" remote: rpcURL: ""...

UPchieve: Cross-origin resource sharing misconfig | steal user information

Summary An HTML5 cross-origin resource sharing CORS policy controls whether and how content running on other domains can perform two-way interaction with the domain that publishes the policy. The policy is fine-grained and can apply access controls per-request based on the URL and other features ...

Sifchain: RSA PRIVATE KEY discloser

hi, https://github.com/Sifchain/sifnode/blob/4fb7523322f74e70600a10fff4dbdd42425c077f/ui/.vagrant/machines/default/virtualbox/privatekey disclosing RSA PRIVATE KEY. Impact might give access to sensitive data protected with this key...

Sifchain: Private RSA key for Vagrant exposed in GitHub repository

Summary: The private RSA key used for SSH on Vagrant is exposed in sifnode GitHub repository. Steps To Reproduce: 1. Visit this link which shows the privatekey file used for your Vagrant virtual machine Suggested solution Remove the private key from the repository. Even though you remove it, it...

U.S. Dept Of Defense: SSRF due to CVE-2021-27905 in www.████████

Apache Solr is vulnerable to SSRF using the parameter "masterUrl". This issue is registered as CVE-2021-27905. Impact A successful SSRF attack can often result in unauthorized actions or access to data within the organization, either in the vulnerable application itself or on other back-end syste...

MTN Group: Cross-site Scripting (XSS) - Reflected

hello dear support Cross-site Scripting XSS refers to client-side code injection attack wherein an attacker can execute malicious scripts into a legitimate website or web application. XSS occurs when a web application makes use of unvalidated or unencoded user input within the output it generates...

Stripe: Object injection in `stripe-billing-typographic` GitHub project via /auth/login

An object injection vulnerability was discovered in the stripe-billing-typographic GitHub project, which allowed an attacker to bypass authentication and perform a SQL injection attack. The vulnerability was caused by a dependency called sqlstring, which mishandled objects in queries. The impact ...

Nextcloud: Default Nextcloud allows http federated shares

userA on serverA runs on http only 2. userA sends a federated share to userB on serverB 3. userB is a normal user so he has no clue that there is no secure transport used and accepts the share 4. all the data written to and read from is now no longer protected by TLS Impact While maybe a bit far...

Sifchain: Subdomain Takeover At the Main Domain Of Your Site

Hello, I Know that isn't in the Scope But this The Only Way I can Report With And This Issue Is Very High It Belongs to the Main Domain this is pretty serious security issue in some context, so please act as fast as possible. overview the Main Domain sifchain.finance is pointing to wix.com, which...

Sifchain: ETHEREUM_PRIVATE_KEY leaked

Summary: I found below private key for ethereum wallet leaked via public code in github repository ETHEREUMPRIVATEKEY="c87509a1c067bbde78beb793e6fa76530b6382a4c0241e5e4a9ec0a0f44dc0d3" Steps To Reproduce: You can find private key via below link :...