CVE-2021-22567— Bidirectional Override in Dart SDK
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I. Basic Information for CVE-2021-22567
Vulnerability Information
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Vulnerability Title
Bidirectional Override in Dart SDK
Source: NVD (National Vulnerability Database)
Vulnerability Description
Bidirectional Unicode text can be interpreted and compiled differently than how it appears in editors which can be exploited to get nefarious code passed a code review by appearing benign. An attacker could embed a source that is invisible to a code reviewer that modifies the behavior of a program in unexpected ways.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Dart 安全漏洞
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，该漏洞源于双向Unicode文本的解释和编译方式与它在编辑器中的表现不同，恶意代码可以利用这种方式让其通过编辑器代码检查，而看起来是良性的。攻击者可利用该漏洞可以嵌入对代码审查者不可见的源代码，以意想不到的方式修改程序的行为。
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 ~ 2.15.0-268.18.beta | - |
II. Public POCs for CVE-2021-22567
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-22567 (1)
- https://github.com/dart-lang/sdk/blob/main/CHANGELOG.mdx_refsource_MISC
IV. Related Vulnerabilities
Same vendor: Google LLC
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V. Comments for CVE-2021-22567
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