Vulnerability 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.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://news.ycombinator.com/item?id=40776880
- https://stulle123.github.io/posts/kakaotalk-account-takeover/
- https://news.ycombinator.com/item?id=40776880
- https://stulle123.github.io/posts/kakaotalk-account-takeover/
FAQ
What is CVE-2023-51219?
CVE-2023-51219 is a vulnerability with a CVSS score of 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. The impact was further escalated by triggering a...
How severe is CVE-2023-51219?
CVE-2023-51219 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-51219?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.