Hackers Abusing Cloudflare Tunnels for Covert Communications

New research has revealed that threat actors are abusing Cloudflare Tunnels to establish covert communication channels from compromised hosts and retain persistent access. "Cloudflared is functionally very similar to ngrok," Nic Finn, a senior threat intelligence analyst at GuidePoint Security,...

managed-component-to-cloudflare-worker (1.5.2) potentially affected by CVE-2023-3348 via wrangler (2.0.23)

wrangler NPM version 2.0.23 is affected by a known vulnerability. The following packages have a transitive dependency on wrangler and may be impacted: - managed-component-to-cloudflare-worker 1.5.2 Source cves: CVE-2023-3348 Source advisory: OSV:GHSA-8C93-4HCH-XGXP...

Cloudflare Wrangler directory traversal vulnerability

Impact The Wrangler command line tool [email protected] or [email protected] was affected by a directory traversal vulnerability when running a local development server for Pages wrangler pages dev command. This vulnerability enabled an attacker in the same network as the victim to connect to the...

GHSA-8C93-4HCH-XGXP Cloudflare Wrangler directory traversal vulnerability

Impact The Wrangler command line tool [email protected] or [email protected] was affected by a directory traversal vulnerability when running a local development server for Pages wrangler pages dev command. This vulnerability enabled an attacker in the same network as the victim to connect to the...

CVE-2023-2754

The Cloudflare WARP client for Windows assigns loopback IPv4 addresses for the DNS Servers, since WARP acts as local DNS server that performs DNS queries in a secure manner, however, if a user is connected to WARP over an IPv6-capable network, te WARP client did not assign loopback IPv6 addresses...

CVE-2023-2754

The Cloudflare WARP client for Windows assigns loopback IPv4 addresses for the DNS Servers, since WARP acts as local DNS server that performs DNS queries in a secure manner, however, if a user is connected to WARP over an IPv6-capable network, te WARP client did not assign loopback IPv6 addresses...

Design/Logic Flaw

The Cloudflare WARP client for Windows assigns loopback IPv4 addresses for the DNS Servers, since WARP acts as local DNS server that performs DNS queries in a secure manner, however, if a user is connected to WARP over an IPv6-capable network, te WARP client did not assign loopback IPv6 addresses...

CVE-2023-2754 Plaintext transmission of DNS requests in Windows 1.1.1.1 WARP client

The Cloudflare WARP client for Windows assigns loopback IPv4 addresses for the DNS Servers, since WARP acts as local DNS server that performs DNS queries in a secure manner, however, if a user is connected to WARP over an IPv6-capable network, te WARP client did not assign loopback IPv6 addresses...

CVE-2023-2754 Plaintext transmission of DNS requests in Windows 1.1.1.1 WARP client

The Cloudflare WARP client for Windows assigns loopback IPv4 addresses for the DNS Servers, since WARP acts as local DNS server that performs DNS queries in a secure manner, however, if a user is connected to WARP over an IPv6-capable network, te WARP client did not assign loopback IPv6 addresses...

CVE-2023-2754

CVE-2023-2754 describes a vulnerability in the Cloudflare WARP Windows client where DNS queries can be exposed on the local network. When connected over an IPv6-capable network, the WARP client does not assign loopback IPv6 addresses; instead, it uses Unique Local Addresses, which under certain c...

CVE-2023-2754

The Cloudflare WARP client for Windows assigns loopback IPv4 addresses for the DNS Servers, since WARP acts as local DNS server that performs DNS queries in a secure manner, however, if a user is connected to WARP over an IPv6-capable network, te WARP client did not assign loopback IPv6 addresses...

CVE-2023-3348 Directory traversal vulnerability in Cloudflare Wrangler

The Wrangler command line tool [email protected] or [email protected] was affected by a directory traversal vulnerability when running a local development server for Pages wrangler pages dev command. This vulnerability enabled an attacker in the same network as the victim to connect to the local...

CVE-2023-3348 Directory traversal vulnerability in Cloudflare Wrangler

The Wrangler command line tool [email protected] or [email protected] was affected by a directory traversal vulnerability when running a local development server for Pages wrangler pages dev command. This vulnerability enabled an attacker in the same network as the victim to connect to the local...

Cloudflare Public Bug Bounty: Yet Another CASB Integration Takeover of Active Integrations

A vulnerability was found in a cloud access security broker's Microsoft integration where an attacker could bypass confused deputy protections. By manipulating the casing of a tenant UUID, a new integration could be created that surfaced sensitive customer information. This issue was addressed by...

Cloudflare Wrangler Path Traversal Vulnerability

Cloudflare Wrangler is a repository from Cloudflare, Inc. A path traversal vulnerability exists in Wrangler versions prior to 3.1.1, which stems from a directory traversal vulnerability when running the local development server for Pages the wrangler Pages dev command, which can be exploited by a...

odoh-rs security vulnerability

odoh-rs is a Cloudflare open source library that implements the RFC 9230 Oblivious DNS over HTTPS protocol in Rust. A security vulnerability exists in versions prior to odoh-rs rust crate 1.0.2, which stems from faulty logic during the parsing of encrypted queries, and which can be exploited by a...

PT-2023-21198 · Cloudflare · Cloudflare Warp Client For Windows

Name of the Vulnerable Software and Affected Versions: Cloudflare WARP client for Windows affected versions not specified Description: The Cloudflare WARP client for Windows assigns loopback IPv4 addresses for the DNS Servers, as it acts as a local DNS server that performs DNS queries in a secure...

CVE-2023-2754: Cleartext Transmission of Sensitive Information

The Cloudflare WARP client for Windows assigns loopback IPv4 addresses for the DNS Servers, since WARP acts as local DNS server that performs DNS queries in a secure manner, however, if a user is connected to WARP over an IPv6-capable network, te WARP client did not assign loopback IPv6 addresses...

Cloudflare WARP Security Vulnerability

Cloudflare WARP Cloudflare Vpn is a client application for secure connections from Cloudflare, Inc. in the United States. A security vulnerability exists in Cloudflare WARP client versions prior to 2023.7.160.0, which stems from the use of plaintext transmission for DNS requests in the WARP clien...

Cloudflare Public Bug Bounty: Permanent CASB Integration Takeover due to Improper Access Controls+Confused Deputy Problem

A security vulnerability was discovered in Cloudflare's Cloud Access Security Broker CASB integration, allowing potential unauthorized access to sensitive information. The vulnerability, known as the "confused deputy problem," affected a limited set of integrations. Cloudflare promptly addressed...