CVE-2021-25262
Yandex Browser vulnerability analysis and mitigation

Overview

Yandex Browser for Android prior to version 21.3.0 was discovered to contain a vulnerability that allows remote attackers to perform IDN homograph attacks (Yandex BugBounty). The vulnerability was identified and reported by security researcher Kirtikumar Anandrao Ramchandani, and was assigned the identifier CVE-2021-25262.

Technical details

The vulnerability is related to IDN (Internationalized Domain Name) homograph attacks, which involve using visually similar characters from different writing systems to create deceptive domain names. This type of attack can be used to create URLs that appear legitimate but actually lead to malicious websites (Yandex BugBounty).

Impact

The vulnerability allows remote attackers to perform IDN homograph attacks, which could potentially lead to phishing attacks by creating visually deceptive URLs that appear legitimate to users. This could result in users being directed to malicious websites while believing they are visiting legitimate ones (Yandex BugBounty).

Mitigation and workarounds

The vulnerability has been fixed in Yandex Browser for Android version 21.3.0. Users are advised to update their browser to this version or later to protect against IDN homograph attacks (Yandex BugBounty).

Additional resources


SourceThis report was generated using AI

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