Kraden: Found Origin IP's Lead To Access To kraden.com

Summary: Discovered that the kraden.com site exposed its Non-Cloudflare IP which could allow bypassing of anti-DDoS mechanisms. Description:Your origin servers are not blocking access from non-Cloudflare servers. This way crawlers can find your origin servers' IPs by checking random IPs until the...

Cloudflare Public Bug Bounty: A malicious actor could rotate tokens of a victim, given that he knows the victim's token ID

API tokens of Cloudflare users were vulnerable to unauthorized rotation by malicious actors who knew the victim's token ID due to lack of proper authorization checks. This could lead to DoS for the token owner and the applications that use it. The vulnerability was fixed by enforcing proper acces...

Lapsus$ Data Kidnappers Claim Snatches From Microsoft, Okta

Both Microsoft and Okta are investigating claims by the new, precocious data extortion group Lapsus$ that the gang has breached their systems. Lapsus$ claimed to have gotten itself “superuser/admin” access to internal systems at authentication firm Okta. It also posted 40GB worth of files to its...

LAPSUS$ Hackers Claim to Have Breached Microsoft and Authentication Firm Okta

Microsoft and authentication services provider Okta said they are investigating claims of a potential breach alleged by the LAPSUS$ extortionist gang. The development, which was first reported by Vice and Reuters, comes after the cyber criminal group posted screenshots and source code of what it...

Ghostbuster - Eliminate Dangling Elastic IPs By Performing Analysis On Your Resources Within All Your AWS Accounts

Eliminate dangling elastic IPs by performing analysis on your resources within all your AWS accounts. Ghostbuster obtains all the DNS records present in all of your AWS accounts Route53, and can optionally take in records via CSV input, or via Cloudflare. After these records are collected,...

Here's How to Find if WhatsApp Web Code on Your Browser Has Been Hacked

Meta Platforms' WhatsApp and Cloudflare have banded together for a new initiative called Code Verify to validate the authenticity of the messaging service's web app on desktop computers. Available in the form of a Chrome and Edge browser extension, the open-source add-on is designed to...

Cloudflare Public Bug Bounty: API docs expose an active token for the sample domain theburritobot.com

A screenshot featured on API token creation documentation page exposed a valid API token with permissions sufficient to modify DNS records of one of Cloudflare’s demo zones. The token has since been revoked...

Cloudflare WARP 1.4 - Unquoted Service Path Vulnerability

Exploit Title: Cloudflare WARP 1.4 - Unquoted Service Path Exploit Author: Hejap Zairy Vendor Homepage: https://www.cloudflare.com/ Software Link: https://developers.cloudflare.com/warp-client/get-started/windows/ Version: 1.4.107 Tested: Windows 10 Pro x64 es C:\Users\Hejapsc qc CloudflareWARP S...

Cloudflare WARP 1.4 - Unquoted Service Path

Exploit Title: Cloudflare WARP 1.4 - Unquoted Service Path Date: 05/03/2022 Exploit Author: Hejap Zairy Vendor Homepage: https://www.cloudflare.com/ Software Link: https://developers.cloudflare.com/warp-client/get-started/windows/ Version: 1.4.107 Tested: Windows 10 Pro x64 es C:\Users\Hejapsc qc...

Cloudflare WARP 1.4 Unquoted Service Path

Exploit Title: Cloudflare WARP 1.4 - Unquoted Service Path Date: 05/03/2022 Exploit Author: Hejap Zairy Vendor Homepage: https://www.cloudflare.com/ Software Link: https://developers.cloudflare.com/warp-client/get-started/windows/ Version: 1.4.107 Tested: Windows 10 Pro x64 es C:\Users\Hejapsc qc...

Path traversal in github.com/cloudflare/cfrpki/cmd/octorpki

Impact In the case that a malicious TAL file is parsed pointing to a repository that provides a malicious ROA file which octorpki downloads, it is possible to bypass the current directory traversal mitigation to allow writing outside of the current directory. Patches No patch release has been mad...

Cloudflare Public Bug Bounty: HTTP Request Smuggling in Transform Rules using hexadecimal escape sequences in the concat() function

The Edge Rules engine used by Cloudflare Transform Rules features string modifying functions like lower and concat, which accepted hexadecimal-encoded characters such as ”\x0a\x0d“. This allowed for manipulation of request headers e.g. injecting an additional header and, as a consequence, made HT...

Cloudflare Public Bug Bounty: Blind SSRF on platform.dash.cloudflare.com Due to Sentry misconfiguration

Cloudflare uses Sentry for application monitoring and error tracking. Due to the tool's misconfiguration source code scraping feature enabled, it was possible to sent blind requests to any endpoints using the Cloudflare infrastructure. The issue has been fixed by the Engineering team and the sour...

Exploit for Uncontrolled Resource Consumption in Siemens 6Bk1602-0Aa12-0Tp0_Firmware

Apache-Log4j-POC CVE-2021-44228 Proof of Concept of apache log...

On the Log4j Vulnerability

Its serious: The range of impacts is so broad because of the nature of the vulnerability itself. Developers use logging frameworks to keep track of what happens in a given application. To exploit Log4Shell, an attacker only needs to get the system to log a strategically crafted string of code. Fr...

Exploit for Uncontrolled Resource Consumption in Siemens 6Bk1602-0Aa12-0Tp0_Firmware

l4j-info Compiling valuable links as I find them documenting C...

Cloudflare Public Bug Bounty: Hijack all emails sent to any domain that uses Cloudflare Email Forwarding

The Email Routing feature enables Cloudflare users to create any number of custom email addresses and route all incoming messages to the user's preferred inboxes. Due to a bug in zone ownership verification, it was possible to configure Email Routing to redirect e-mail messages for an unverified...

Privilege Escalation

github.com/cloudflare/cfrpki is vulnerable to privilege escalation. when copying files using rsync, octorpki uses the "-a" flag 0, which forces rsync to copy binaries with the suid bit set as root, which allows an attacker to inject and execute a malicious TAL file...

Improper Preservation of Permissions in github.com/cloudflare/cfrpki/cmd/octorpki

Impact When copying files with rsync, octorpki uses the "-a" flag 0, which forces rsync to copy binaries with the suid bit set as root. Since the provided service definition defaults to root https://github.com/cloudflare/cfrpki/blob/master/package/octorpki.service this could allow for a vector,...

Denial Of Service (DoS)

github.com/cloudflare/cfrpki is vulnerable to denial of service DoS attacks. A malicious user is able to send an encoded null \0 character as an invalid ROA from a repository, causing an application crash...