Bidirectional Override in Dart SDK
CVE-2021-22567

4.6MEDIUM

Key Information:

Vendor

Google
Status
Dart Sdk
Vendor
CVE Published:
5 January 2022

What is CVE-2021-22567?

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.

Affected Version(s)

Dart SDK < 2.15.0-268.18.beta

References

https://github.com/dart-lang/sdk/blob/main/CHANGELOG.md
x_refsource_MISC
https://github.com/dart-lang/sdk/commit/52519ea8eb4780c46...
x_refsource_MISC

CVSS V3.1

Score:
4.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.