CVE-2021-22568— Dart - Publishing to third-party package repositories may expose pub.dev credentials
Quick assessment
Affected
Google LLC Dart SDK
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Dart是一款开源的编程语言。 Dart SDK 存在安全漏洞，当使用 dart pub publish 命令将包发布到第三方包服务器时，该请求将使用 oauth2 access_token 进行身份验证，该令牌对于在 pub.dev 上发布有效。使用这些获得的凭据，攻击者可以冒充 pub.dev 上的用户。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-22568
Vulnerability Information
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Vulnerability Title
Dart - Publishing to third-party package repositories may expose pub.dev credentials
Source: CVE Program / CVE List V5
Vulnerability Description
When using the dart pub publish command to publish a package to a third-party package server, the request would be authenticated with an oauth2 access_token that is valid for publishing on pub.dev. Using these obtained credentials, an attacker can impersonate the user on pub.dev. We recommend upgrading past https://github.com/dart-lang/sdk/commit/d787e78d21e12ec1ef712d229940b1172aafcdf8 or beyond version 2.15.0
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
凭证管理
Source: CVE Program / CVE List V5
Vulnerability Title
Dart 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dart是一款开源的编程语言。 Dart SDK 存在安全漏洞，当使用 dart pub publish 命令将包发布到第三方包服务器时，该请求将使用 oauth2 access_token 进行身份验证，该令牌对于在 pub.dev 上发布有效。使用这些获得的凭据，攻击者可以冒充 pub.dev 上的用户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Google LLC | Dart SDK | unspecified ~ 2.15.0 | - |
|
II. Public POCs for CVE-2021-22568
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-22568 (1)
Vendor Advisories for CVE-2021-22568 (1)
Other References for CVE-2021-22568 (1)
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https://github.com/dart-lang/sdk/blob/main/CHANGELOG.md x_refsource_MISC
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