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CVE PROGRAM SOURCE RECORD7.4 High

CVE-2023-2754

Plaintext transmission of DNS requests in Windows 1.1.1.1 WARP client

Description

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 but Unique Local Addresses, which under certain conditions could point towards unknown devices in the same local network which enables an Attacker to view DNS queries made by the device.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cloudflare WARP

Default version status: affected

  • 0 to < 2023.7.160.0affected

References