Cloudflare WARP Client on Windows IPv6 Address cleartext transmission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Cloudflare WARP Client on Windows. The impacted element is an unknown function of the component IPv6 Address Handler. Such manipulation leads to cleartext transmission. This vulnerability is listed as CVE-2023-2754. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Cloudflare WARP Client on Windows (Cloud Software) (the affected version unknown). It has been rated as problematic. Affected by this issue is an unknown part of the component IPv6 Address Handler. The manipulation with an unknown input leads to a cleartext transmission vulnerability. Using CWE to declare the problem leads to CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented 08/03/2023 as GHSA-mv6g-7577-vq4w. The advisory is available at github.com. This vulnerability is handled as CVE-2023-2754 since 05/17/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1040 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CNA Base Score: 7.4
CNA Vector (Cloudflare, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cleartext transmission
CWE: CWE-319 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/17/2023 🔍
08/03/2023 +78 days 🔍
08/03/2023 +0 days 🔍
08/26/2023 +23 days 🔍

Sourcesinfo

Advisory: GHSA-mv6g-7577-vq4w
Status: Confirmed

CVE: CVE-2023-2754 (🔍)
GCVE (CVE): GCVE-0-2023-2754
GCVE (VulDB): GCVE-100-236078

Entryinfo

Created: 08/03/2023 22:17
Updated: 08/26/2023 09:43
Changes: 08/03/2023 22:17 (50), 08/26/2023 09:43 (11)
Complete: 🔍
Cache ID: 216::103

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