CVE-2022-3095

2022-10-2716:15:09

CWE-20

[email protected]

web.nvd.nist.gov

dart uri

flutter

backslash parsing

whatwg url

rfc 3986

auth bypass

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.002

Percentile

57.0%

JSON

The implementation of backslash parsing in the Dart URI class for versions prior to 2.18 and Flutter versions prior to 3.30 differs from the WhatWG URL standards. Dart uses the RFC 3986 syntax, which creates incompatibilities with the '' characters in URIs, which can lead to auth bypass in webapps interpreting URIs. We recommend updating Dart or Flutter to mitigate the issue.

Affected configurations

Nvd

Node

dartdart_software_development_kitRange<2.18.0

Node

flutterflutterRange<3.3.3

VendorProductVersionCPE
dartdart_software_development_kit*cpe:2.3:a:dart:dart_software_development_kit:*:*:*:*:*:*:*:*
flutterflutter*cpe:2.3:a:flutter:flutter:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
dart	dart_software_development_kit	*	cpe:2.3:a:dart:dart_software_development_kit::::::::
flutter	flutter	*	cpe:2.3:a:flutter:flutter::::::::