CVE-2022-4428
Assigner: cloudflare
Published: 2023-01-11T16:49:36.512Z
State: PUBLISHED
affected: defaultStatus: unaffected
platforms: Windows
product: WARP
vendor: Cloudflare
versions: lessThanOrEqual: 2022.10.106.0
status: affected
version: 0
versionType: semver
configurations: supportingMedia: base64: no
type: text/html
value: WARP client enrolled in Cloudflare Zero Trust
value: WARP client enrolled in Cloudflare Zero Trust
credits: type: finder
user: 00000000-0000-4000-9000-000000000000
value: CyberGeeGee (bug bounty)
descriptions: supportingMedia: base64: no
type: text/html
value: <span style="background-color: rgb(255, 255, 255);">support_uri parameter in the WARP client local settings file (mdm.xml) lacked proper validation which allowed for privilege escalation and launching an arbitrary executable on the local machine upon clicking on the "Send feedback" option. An attacker with access to the local file system could use a crafted XML config file pointing to a malicious file or set a local path to the executable using Cloudflare Zero Trust Dashboard (for Zero Trust enrolled clients).</span><br>
value: support_uri parameter in the WARP client local settings file (mdm.xml) lacked proper validation which allowed for privilege escalation and launching an arbitrary executable on the local machine upon clicking on the "Send feedback" option. An attacker with access to the local file system could use a crafted XML config file pointing to a malicious file or set a local path to the executable using Cloudflare Zero Trust Dashboard (for Zero Trust enrolled clients).

impacts: capecId: CAPEC-233
descriptions: value: CAPEC-233 Privilege Escalation
capecId: CAPEC-549
descriptions: value: CAPEC-549 Local Execution of Code
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 8.9
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
version: 3.1
format: CVSS
scenarios: value: GENERAL
problemTypes: descriptions: cweId: CWE-20
description: CWE-20 Improper Input Validation
type: CWE
solutions: supportingMedia: base64: no
type: text/html
value: Update WARP client for Windows to the latest available version.
value: Update WARP client for Windows to the latest available version.
source: discovery: EXTERNAL
title: support_uri validation missing in WARP client for Windows
x_generator: engine: Vulnogram 0.1.0-dev