Cloudflare Public Bug Bounty: Take over subdomains of r2.dev using R2 custom domains

███████ ████ ████ ███████████████████████████ ███ ██████████ It is possible to take over any subdomain of r2.dev possible also the base domain and have it serve the contents of an R2 bucket in your account. Requirements Access to R2 public buckets in the dashboard is currently behind a flag. The...

CVE-2022-36083

JOSE is "JSON Web Almost Everything" - JWA, JWS, JWE, JWT, JWK, JWKS with no dependencies using runtime's native crypto in Node.js, Browser, Cloudflare Workers, Electron, and Deno. The PBKDF2-based JWE key management algorithms expect a JOSE Header Parameter named p2c PBES2 Count, which determine...

How 1-Time Passcodes Became a Corporate Liability

Phishers are enjoying remarkable success using text messages to steal remote access credentials and one-time passcodes from employees at some of the worlds largest technology companies and customer support firms. A recent spate of SMS phishing attacks from one cybercriminal group has spawned a...

Okta Hackers Behind Twilio and Cloudflare Attacks Hit Over 130 Organizations

The threat actor behind the attacks on Twilio and Cloudflare earlier this month has been linked to a broader phishing campaign aimed at 136 organizations that resulted in a cumulative compromise of 9,931 accounts. The activity has been condemned 0ktapus by Group-IB because the initial goal of the...

Attackers using fake Cloudflare DDoS protection popups to distribute malware

By Waqas The malware dropped in this attack is the NetSupport RAT which was previously identified in malicious MS Word documents. This is a post from HackRead.com Read the original post: Attackers using fake Cloudflare DDoS protection popups to distribute malware...

Cloudflare Public Bug Bounty: Password Policy Restriction Bypass

Due to insufficient input validation on the backend side, It was possible to bypass the Password Policy Restrictions for Cloudflare accounts by intercepting the request and modifying the content of the password field. This way, a user could set up weak passwords for their account. The password...

dnsReaper - Subdomain Takeover Tool For Attackers, Bug Bounty Hunters And The Blue Team!

DNS Reaper is yet another sub-domain takeover tool, but with an emphasis on accuracy, speed and the number of signatures in our arsenal! We can scan around 50 subdomains per second, testing each one with over 50 takeover signatures. This means most organisations can scan their entire DNS estate i...

Nearly 2,000 Signal users affected by Twilio phishing attack

New findings following the Twilio phishing attack revealed that Signal, one of its high-value clients and a popular encrypted messaging platform, was particularly affected. 1,900 of its users had their phone numbers and SMS registration codes exposed. However, Signal reassured users that the...

nbconvert vulnerable to cross-site scripting (XSS) via multiple exploit paths

Most of the fixes will be in this repo, though, so having it here gives us the private fork to work on patches Below is currently a duplicate of the original report: ---- Received on [email protected] unedited, I'm not sure if we want to make it separate advisories. Pasted raw for now, feel fr...

Hackers Behind Twilio Breach Also Targeted Cloudflare Employees

Web infrastructure company Cloudflare on Tuesday disclosed at least 76 employees and their family members received text messages on their personal and work phones bearing similar characteristics as that of the sophisticated phishing attack against Twilio. The attack, which transpired around the...

Cloudflare Public Bug Bounty: Bypass two-factor authentication

Due to lack of validation, a malicious actor could brute force OTP 2fa and guess a correct number after multiple failures. The issue was fixed by the Engineering team by implementing restrictions on 2FA attempts...

Fedora: Security Advisory for golang-github-cloudflare-redoctober (FEDORA-2022-5ef0bd9a27)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory for golang-github-cloudflare (FEDORA-2022-5ef0bd9a27)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] Fedora 36 Update: golang-github-cloudflare-0.21.0-4.fc36

A Go library for interacting with Cloudflare's API v4. This library allows you to: - Manage and automate changes to your DNS records within Cloudflare - Manage and automate changes to your zones domains on Cloudflare, includi ng adding new zones to your account - List and modify the status of WAF...

Cloudflare WARP 安全漏洞

Cloudflare WARP Cloudflare Vpn is a client application for secure connections from the US company Cloudflare. A security vulnerability exists in Cloudflare WARP. An attacker can exploit this vulnerability to bypass configured zero-trust security policies e.g., Secure Web Gateway policy and featur...

Malicious code in yodaspeak-cloudflare-workers (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 50f681261decb63857d04b9b6201be2b3bc996a9a9778fa0b9878db7f295a596 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

MAL-2022-7357 Malicious code in yodaspeak-cloudflare-workers (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 50f681261decb63857d04b9b6201be2b3bc996a9a9778fa0b9878db7f295a596 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Fedora: Security Advisory for golang-github-cloudflare (FEDORA-2022-3969b64d4b)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for golang-github-cloudflare-redoctober (FEDORA-2022-3969b64d4b)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 35 Update: golang-github-cloudflare-0.17.0-3.fc35

A Go library for interacting with Cloudflare's API v4. This library allows you to: - Manage and automate changes to your DNS records within Cloudflare - Manage and automate changes to your zones domains on Cloudflare, includi ng adding new zones to your account - List and modify the status of WAF...