CVE-2021-22567

Bidirectional Override in Dart SDK

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.

Category

4.6
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: Google LLC Dart SDK
Published at:
Updated at:

References

Link Tags
https://github.com/dart-lang/sdk/blob/main/CHANGELOG.md third party advisory release notes
https://github.com/dart-lang/sdk/commit/52519ea8eb4780c468c4c2ed00e7c8046ccfed41 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-22567?
CVE-2021-22567 has been scored as a medium severity vulnerability.
How to fix CVE-2021-22567?
To fix CVE-2021-22567, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22567 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22567 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22567?
CVE-2021-22567 affects Google LLC Dart SDK.
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