The Android App 'Tootdon for Mastodon' version 3.4.1 and earlier does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
The product does not validate, or incorrectly validates, a certificate.
Link | Tags |
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http://blog.mastodon-tootdon.com/entry/2019/05/20/204019 | vendor advisory |
https://jvn.jp/en/jp/JVN57806517/index.html | third party advisory |