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CVE-2023-51219

9.6 · CRITICAL

A deep link validation issue in KakaoTalk 10.4.3 allowed a remote adversary to direct users to run any attacker-controlled JavaScript within a WebView.

Published Jun 3, 2024CWE-79EPSS 0.52%

Overview

CVE-2023-51219 is a critical-severity vulnerability. It was published on June 3, 2024 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A deep link validation issue in KakaoTalk 10.4.3 allowed a remote adversary to direct users to run any attacker-controlled JavaScript within a WebView. The impact was further escalated by triggering another WebView that leaked its access token in a HTTP request header. Ultimately, this access token could be used to take over another user's account and read her/his chat messages.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refnews.ycombinator.com/item?id=40776880Refstulle123.github.io/posts/kakaotalk-account-takeover/Refnews.ycombinator.com/item?id=40776880Refstulle123.github.io/posts/kakaotalk-account-takeover/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-51219?

CVE-2023-51219 is a critical-severity vulnerability. It was published on June 3, 2024 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2023-51219?

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-51219?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-51219?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-51219 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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