Cloudflare WARP Client up to 2022.5.309.0/2022.12.582.0 on Windows Installation link following

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cloudflare WARP Client up to 2022.5.309.0/2022.12.582.0 on Windows and classified as critical. This affects an unknown part of the component Installation Handler. The manipulation leads to link following. This vulnerability is referenced as CVE-2023-0652. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Cloudflare WARP Client up to 2022.5.309.0/2022.12.582.0 on Windows (Cloud Software) and classified as critical. This issue affects an unknown part of the component Installation Handler. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Due to a hardlink created in the ProgramData folder during the repair process of the software, the installer (MSI) of WARP Client for Windows (<= 2022.12.582.0) allowed a malicious attacker to forge the destination of the hardlink and escalate privileges, overwriting SYSTEM protected files. As Cloudflare WARP client for Windows (up to version 2022.5.309.0) allowed creation of mount points from its ProgramData folder, during installation of the WARP client, it was possible to escalate privileges and overwrite SYSTEM protected files.

The weakness was published 04/06/2023 as GHSA-xmhj-9p83-xvw9. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-0652 since 02/02/2023. The technical details are unknown and an exploit is not publicly available.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.0
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: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

02/02/2023 🔍
04/06/2023 +62 days 🔍
04/06/2023 +0 days 🔍
04/23/2023 +17 days 🔍

Sourcesinfo

Advisory: GHSA-xmhj-9p83-xvw9
Status: Confirmed

CVE: CVE-2023-0652 (🔍)
GCVE (CVE): GCVE-0-2023-0652
GCVE (VulDB): GCVE-100-225095

Entryinfo

Created: 04/06/2023 13:35
Updated: 04/23/2023 10:34
Changes: 04/06/2023 13:35 (51), 04/23/2023 10:34 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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